]> git.donarmstrong.com Git - mothur.git/blobdiff - pintail.cpp
worked on chimeras
[mothur.git] / pintail.cpp
index 4b812a7c628d2816a0d8215cf0b80862b5471626..a204294f515ee17f4e8e62f0045d8c67dfe6e406 100644 (file)
 
 //***************************************************************************************************************
 
-Pintail::Pintail(string name) {
-       try {
-               fastafile = name;
-       }
-       catch(exception& e) {
-               errorOut(e, "Pintail", "Pintail");
-               exit(1);
-       }
-}
+Pintail::Pintail(string filename, string temp) {  fastafile = filename;  templateFile = temp;  }
 //***************************************************************************************************************
 
 Pintail::~Pintail() {
@@ -37,24 +29,27 @@ Pintail::~Pintail() {
 void Pintail::print(ostream& out) {
        try {
                
-               for (itCoef = DE.begin(); itCoef != DE.end(); itCoef++) {
+               for (int i = 0; i < querySeqs.size(); i++) {
+                       
+                       int index = ceil(deviation[i]);
+                       
+                       //is your DE value higher than the 95%
+                       string chimera;
+                       if (DE[i] > quantiles[index][4])        {       chimera = "Yes";        }
+                       else                                                            {       chimera = "No";         }
                        
-                       out << itCoef->first->getName() << '\t' << itCoef->second << endl;
+                       out << querySeqs[i]->getName() << '\t' << "div: " << deviation[i] << "\tstDev: " << DE[i] << "\tchimera flag: " << chimera << endl;
                        out << "Observed\t";
                        
-                       itObsDist = obsDistance.find(itCoef->first);
-                       for (int i = 0; i < itObsDist->second.size(); i++) {  out << itObsDist->second[i] << '\t';  }
+                       for (int j = 0; j < obsDistance[i].size(); j++) {  out << obsDistance[i][j] << '\t';  }
                        out << endl;
                        
                        out << "Expected\t";
                        
-                       itExpDist = expectedDistance.find(itCoef->first);
-                       for (int i = 0; i < itExpDist->second.size(); i++) {  out << itExpDist->second[i] << '\t';  }
+                       for (int m = 0; m < expectedDistance[i].size(); m++) {  out << expectedDistance[i][m] << '\t';  }
                        out << endl;
                        
                }
-               
-               
        }
        catch(exception& e) {
                errorOut(e, "Pintail", "print");
@@ -66,8 +61,6 @@ void Pintail::print(ostream& out) {
 void Pintail::getChimeras() {
        try {
                
-               distCalculator = new ignoreGaps();
-               
                //read in query sequences and subject sequences
                mothurOut("Reading sequences and template file... "); cout.flush();
                querySeqs = readSeqs(fastafile);
@@ -76,116 +69,330 @@ void Pintail::getChimeras() {
                
                int numSeqs = querySeqs.size();
                
-               //if window is set to default
-               if (window == 0) {  if (querySeqs[0]->getAligned().length() > 800) {  setWindow(200); }
-                                                       else{  setWindow((querySeqs[0]->getAligned().length() / 4)); }  } 
-               else if (window > (querySeqs[0]->getAligned().length() / 4)) { 
-                               mothurOut("You have selected to large a window size for you sequences.  I will choose a smaller window."); mothurOutEndLine();
-                               setWindow((querySeqs[0]->getAligned().length() / 4)); 
-               }
-       
-               //calculate number of iters 
-               iters = (querySeqs[0]->getAligned().length() - window + 1) / increment;
-cout << "length = " << querySeqs[0]->getAligned().length() << " window = " << window << " increment = " << increment << " iters = " << iters << endl;                  
+               obsDistance.resize(numSeqs);
+               expectedDistance.resize(numSeqs);
+               seqCoef.resize(numSeqs);
+               DE.resize(numSeqs);
+               Qav.resize(numSeqs);
+               bestfit.resize(numSeqs);
+               deviation.resize(numSeqs);
+               trimmed.resize(numSeqs);
+               windowSizes.resize(numSeqs, window);
+               windowSizesTemplate.resize(templateSeqs.size(), window);
+               windowsForeachQuery.resize(numSeqs);
+               quantiles.resize(100);  //one for every percent mismatch
+               
+               //break up file if needed
                int linesPerProcess = processors / numSeqs;
                
-               //find breakup of sequences for all times we will Parallelize
-               if (processors == 1) {   lines.push_back(new linePair(0, numSeqs));  }
-               else {
-                       //fill line pairs
-                       for (int i = 0; i < (processors-1); i++) {                      
-                               lines.push_back(new linePair((i*linesPerProcess), ((i*linesPerProcess) + linesPerProcess)));
+               #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
+                       //find breakup of sequences for all times we will Parallelize
+                       if (processors == 1) {   lines.push_back(new linePair(0, numSeqs));  }
+                       else {
+                               //fill line pairs
+                               for (int i = 0; i < (processors-1); i++) {                      
+                                       lines.push_back(new linePair((i*linesPerProcess), ((i*linesPerProcess) + linesPerProcess)));
+                               }
+                               //this is necessary to get remainder of processors / numSeqs so you don't miss any lines at the end
+                               int i = processors - 1;
+                               lines.push_back(new linePair((i*linesPerProcess), numSeqs));
                        }
-                       //this is necessary to get remainder of processors / numSeqs so you don't miss any lines at the end
-                       int i = processors - 1;
-                       lines.push_back(new linePair((i*linesPerProcess), numSeqs));
-               }
-               
-               //map query sequences to their most similiar sequences in the template - Parallelized
-               mothurOut("Finding closest sequence in template to each sequence... "); cout.flush();
-               if (processors == 1) {   findPairs(lines[0]->start, lines[0]->end);  } 
-               else {          createProcessesPairs();         }
-               mothurOut("Done."); mothurOutEndLine();
+                       
+                       //find breakup of templatefile for quantiles
+                       if (processors == 1) {   templateLines.push_back(new linePair(0, templateSeqs.size()));  }
+                       else { 
+                               for (int i = 0; i < processors; i++) {
+                                       templateLines.push_back(new linePair());
+                                       templateLines[i]->start = int (sqrt(float(i)/float(processors)) * templateSeqs.size());
+                                       templateLines[i]->end = int (sqrt(float(i+1)/float(processors)) * templateSeqs.size());
+                               }
+                       }
+               #else
+                       lines.push_back(new linePair(0, numSeqs));
+                       templateLines.push_back(new linePair(0, templateSeqs.size()));
+               #endif
                
-               //find Oqs for each sequence - the observed distance in each window - Parallelized
-               mothurOut("Calculating observed percentage differences for each sequence... "); cout.flush();
-               if (processors == 1) {   calcObserved(lines[0]->start, lines[0]->end);  } 
-               else {          createProcessesObserved();              }
-               mothurOut("Done."); mothurOutEndLine();
+               distcalculator = new ignoreGaps();
+
+                               
+               if (processors == 1) { 
+                       mothurOut("Finding closest sequence in template to each sequence... "); cout.flush();
+                       bestfit = findPairs(lines[0]->start, lines[0]->end);
+                       
+                       //ex.align matches from wigeon
+/*for (int m = 0; m < templateSeqs.size(); m++)  {
+       if (templateSeqs[m]->getName() == "159481") {  bestfit[17] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "100137") {  bestfit[16] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "112956") {  bestfit[15] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "102326") {  bestfit[14] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "66229") {  bestfit[13] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "206276") {  bestfit[12] = *(templateSeqs[m]); }
+    if (templateSeqs[m]->getName() == "63607") {  bestfit[11] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "7056") {  bestfit[10] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "7088") {  bestfit[9] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "17553") {  bestfit[8] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "131723") {  bestfit[7] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "69013") {  bestfit[6] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "24543") {  bestfit[5] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "27824") {  bestfit[4] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "1456") {  bestfit[3] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "1456") {  bestfit[2] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "141312") {  bestfit[1] = *(templateSeqs[m]); }
+       if (templateSeqs[m]->getName() == "141312") {  bestfit[0] = *(templateSeqs[m]); }
+
+
+}*/
+                       
+                       for (int j = 0; j < bestfit.size(); j++) { 
+                               //chops off beginning and end of sequences so they both start and end with a base
+                               trimSeqs(querySeqs[j], bestfit[j], trimmed[j]);  
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       mothurOut("Finding window breaks... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               it = trimmed[i].begin();
+cout << "trimmed = " << it->first << '\t' << it->second << endl;
+                               vector<int> win = findWindows(querySeqs[i], it->first, it->second, windowSizes[i]);
+                               windowsForeachQuery[i] = win;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
                
+               }else {         createProcessesSpots();         }
+
                //find P
-               mothurOut("Calculating expected percentage differences for each sequence... "); cout.flush();
-               vector<float> probabilityProfile = calcFreq(templateSeqs);
+               mothurOut("Getting conservation... "); cout.flush();
+               if (consfile == "") { 
+                       mothurOut("Calculating probability of conservation for your template sequences.  This can take a while...  I will output the quantiles to a .prob file so that you can input them using the conservation parameter next time you run this command.  Providing the .prob file will dramatically improve speed.    "); cout.flush();
+                       probabilityProfile = calcFreq(templateSeqs); 
+                       mothurOut("Done."); mothurOutEndLine();
+               }else                           {   probabilityProfile = readFreq();                      }
                
                //make P into Q
                for (int i = 0; i < probabilityProfile.size(); i++)  {  probabilityProfile[i] = 1 - probabilityProfile[i];      }
-
-               //find Qav
-               averageProbability = findQav(probabilityProfile);
-       
-               //find Coefficient - maps a sequence to its coefficient
-               seqCoef = getCoef(averageProbability);
-       
-               //find Eqs for each sequence - the expected distance in each window - Parallelized
-               if (processors == 1) {   calcExpected(lines[0]->start, lines[0]->end);  } 
-               else {          createProcessesExpected();              }
                mothurOut("Done."); mothurOutEndLine();
                
-               //find deviation - Parallelized
-               mothurOut("Finding deviation from expected... "); cout.flush();
-               if (processors == 1) {   calcDE(lines[0]->start, lines[0]->end);  } 
-               else {          createProcessesDE();            }
-               mothurOut("Done."); mothurOutEndLine();
+               if (processors == 1) { 
+                                               
+                       mothurOut("Calculating observed distance... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+       cout << querySeqs[i]->getName() << '\t' << bestfit[i].getName() << " windows = " << windowsForeachQuery[i].size() << " size = " << windowSizes[i] << endl;
+                               vector<float> obsi = calcObserved(querySeqs[i], bestfit[i], windowsForeachQuery[i], windowSizes[i]);
+                               obsDistance[i] = obsi;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       mothurOut("Finding variability... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               vector<float> q = findQav(windowsForeachQuery[i], windowSizes[i]);
+                               Qav[i] = q;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       mothurOut("Calculating alpha... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               float alpha = getCoef(obsDistance[i], Qav[i]);
+                               seqCoef.push_back(alpha);
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
                
+               
+                       mothurOut("Calculating expected distance... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               vector<float> exp = calcExpected(Qav[i], seqCoef[i]);
+                               expectedDistance[i] = exp;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       mothurOut("Finding deviation... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               float de = calcDE(obsDistance[i], expectedDistance[i]);
+                               DE[i] = de;
                                
-               //free memory
-               for (int i = 0; i < lines.size(); i++)                  {       delete lines[i];                }
-               delete distCalculator;  
+                               it = trimmed[i].begin();
+                               float dist = calcDist(querySeqs[i], bestfit[i], it->first, it->second); 
+                               deviation[i] = dist;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+               } 
+               else {          createProcesses();              }
+               
+               
+               //quantiles are used to determine whether the de values found indicate a chimera
+               //if you have to calculate them, its time intensive because you are finding the de and deviation values for each 
+               //combination of sequences in the template
+               if (quanfile != "") {  quantiles =  readQuantiles();  }
+               else {
+                       
+                       mothurOut("Calculating quantiles for your template.  This can take a while...  I will output the quantiles to a .quan file that you can input them using the quantiles parameter next time you run this command.  Providing the .quan file will dramatically improve speed.    "); cout.flush();
+                       if (processors == 1) { 
+                               quantiles = getQuantiles(0, templateSeqs.size());
+                       }else {         createProcessesQuan();          }
+                       
+                       ofstream out4;
+                       string o = getRootName(templateFile) + "quan";
+                       
+                       openOutputFile(o, out4);
+                       
+                       //adjust quantiles
+                       for (int i = 0; i < quantiles.size(); i++) {
+                               if (quantiles[i].size() == 0) {
+                                       //in case this is not a distance found in your template files
+                                       for (int g = 0; g < 6; g++) {
+                                               quantiles[i].push_back(0.0);
+                                       }
+                               }else{
+                                       
+                                       sort(quantiles[i].begin(), quantiles[i].end());
+                                       
+                                       vector<float> temp;
+                                       //save 10%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.10)]);
+                                       //save 25%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.25)]);
+                                       //save 50%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.5)]);
+                                       //save 75%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.75)]);
+                                       //save 95%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.95)]);
+                                       //save 99%
+                                       temp.push_back(quantiles[i][int(quantiles[i].size() * 0.99)]);
+                                       
+                                       quantiles[i] = temp;
+                               }
+                               
+                               //output quan value
+                               out4 << i+1 << '\t';                            
+                               for (int u = 0; u < quantiles[i].size(); u++) {   out4 << quantiles[i][u] << '\t'; }
+                               out4 << endl;
 
+                       }
+                       
+                       mothurOut("Done."); mothurOutEndLine();
+               }
+       
+               //free memory
+               for (int i = 0; i < lines.size(); i++)                                  {       delete lines[i];                                }
+               for (int i = 0; i < templateLines.size(); i++)                  {       delete templateLines[i];                }
+                       
+               delete distcalculator;
        }
        catch(exception& e) {
                errorOut(e, "Pintail", "getChimeras");
                exit(1);
        }
 }
+//***************************************************************************************************************
+//num is query's spot in querySeqs
+void Pintail::trimSeqs(Sequence* query, Sequence subject, map<int, int>& trim) {
+       try {
+               
+               string q = query->getAligned();
+               string s = subject.getAligned();
+               
+               int front = 0;
+               for (int i = 0; i < q.length(); i++) {
+                       if (isalpha(q[i]) && isalpha(s[i])) { front = i; break;  }
+               }
+               
+               int back = 0;           
+               for (int i = q.length(); i >= 0; i--) {
+                       if (isalpha(q[i]) && isalpha(s[i])) { back = i; break;  }
+               }
+               
+               trim[front] = back;
+               
+       }
+       catch(exception& e) {
+               errorOut(e, "Pintail", "trimSeqs");
+               exit(1);
+       }
+}
 
 //***************************************************************************************************************
 
-vector<Sequence*> Pintail::readSeqs(string file) {
+vector<float> Pintail::readFreq() {
        try {
        
                ifstream in;
-               openInputFile(file, in);
-               vector<Sequence*> container;
+               openInputFile(consfile, in);
+               
+               vector<float> prob;
+               
+               //read in probabilities and store in vector
+               int pos; float num; 
                
-               //read in seqs and store in vector
                while(!in.eof()){
-                       Sequence* current = new Sequence(in);
                        
-                       if (current->getAligned() == "") { current->setAligned(current->getUnaligned()); }
-                       //takes out stuff is needed
-                       current->setUnaligned(current->getUnaligned());
+                       in >> pos >> num;
                        
-                       container.push_back(current);
+                       //do you want this spot
+                       prob.push_back(num);  
                        
                        gobble(in);
                }
                
                in.close();
-               return container;
+               return prob;
                
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "readSeqs");
+               errorOut(e, "Pintail", "readFreq");
                exit(1);
        }
 }
 
+//***************************************************************************************************************
+
+vector< vector<float> > Pintail::readQuantiles() {
+       try {
+       
+               ifstream in;
+               openInputFile(quanfile, in);
+               
+               vector< vector<float> > quan;
+       
+               int num; float ten, twentyfive, fifty, seventyfive, ninetyfive, ninetynine; 
+               
+               while(!in.eof()){
+                       
+                       in >> num >> ten >> twentyfive >> fifty >> seventyfive >> ninetyfive >> ninetynine; 
+                       
+                       vector <float> temp;
+                       
+                       temp.push_back(ten); 
+                       temp.push_back(twentyfive);
+                       temp.push_back(fifty);
+                       temp.push_back(seventyfive);
+                       temp.push_back(ninetyfive);
+                       temp.push_back(ninetynine);
+                       
+                       quan.push_back(temp);  
+                       
+                       gobble(in);
+               }
+               
+               in.close();
+               return quan;
+               
+       }
+       catch(exception& e) {
+               errorOut(e, "Pintail", "readQuantiles");
+               exit(1);
+       }
+}
 //***************************************************************************************************************
 //calculate the distances from each query sequence to all sequences in the template to find the closest sequence
-void Pintail::findPairs(int start, int end) {
+vector<Sequence> Pintail::findPairs(int start, int end) {
        try {
                
+               vector<Sequence> seqsMatches;  seqsMatches.resize(end-start);
+               
                for(int i = start; i < end; i++){
                
                        float smallest = 10000.0;
@@ -195,124 +402,170 @@ void Pintail::findPairs(int start, int end) {
                                
                                Sequence temp = *(templateSeqs[j]);
                                
-                               distCalculator->calcDist(query, temp);
-                               float dist = distCalculator->getDist();
+                               distcalculator->calcDist(query, temp);
+                               float dist = distcalculator->getDist();
                                
                                if (dist < smallest) { 
-                               
-                                       bestfit[querySeqs[i]] = templateSeqs[j];
+                                       seqsMatches[i] = *(templateSeqs[j]);
                                        smallest = dist;
                                }
                        }
                }
                
+               return seqsMatches;
+       
        }
        catch(exception& e) {
                errorOut(e, "Pintail", "findPairs");
                exit(1);
        }
 }
+
 //***************************************************************************************************************
-void Pintail::calcObserved(int start, int end) {
+//find the window breaks for each sequence - this is so you can move ahead by bases.
+vector<int>  Pintail::findWindows(Sequence* query, int front, int back, int& size) {
        try {
-       
-                                               
-               for(int i = start; i < end; i++){
                
-                       itBest = bestfit.find(querySeqs[i]);
-                       Sequence* query;
-                       Sequence* subject;
+               vector<int> win; 
                
-                       if (itBest != bestfit.end()) {
-                               query = itBest->first;
-                               subject = itBest->second;
-                       }else{ mothurOut("Error in calcObserved"); mothurOutEndLine(); }
-//cout << query->getName() << '\t' << subject->getName() << endl;                      
+               int cutoff = back - front;  //back - front 
                        
-                       int startpoint = 0; 
-                       for (int m = 0; m < iters; m++) {
-
-                               string seqFrag = query->getAligned().substr(startpoint, window);
-                               string seqFragsub = subject->getAligned().substr(startpoint, window);
-                                                               
-                               int diff = 0;
-                for (int b = 0; b < seqFrag.length(); b++) {
-                  
-                    //if this is not a gap
-                    if ((isalpha(seqFrag[b])) && (isalpha(seqFragsub[b]))) {
-                        //and they are different - penalize
-                        if (seqFrag[b] != seqFragsub[b]) { diff++; }
-                    }
-                }
-               
-                //percentage of mismatched bases
-                float dist = diff / (float)seqFrag.length();       
+               //if window is set to default
+               if (size == 0) {  if (cutoff > 1200) {  size = 300; }
+                                                       else{  size = (cutoff / 4); }  } 
+               else if (size > (cutoff / 4)) { 
+                               mothurOut("You have selected to large a window size for sequence " + query->getName() + ".  I will choose an appropriate window size."); mothurOutEndLine();
+                               size = (cutoff / 4); 
+               }
+       
+               string seq = query->getAligned().substr(front, cutoff);
+                       
+               //count bases
+               int numBases = 0;
+               for (int l = 0; l < seq.length(); l++) {  if (isalpha(seq[l])) { numBases++; }  }
+                       
+               //save start of seq
+               win.push_back(front);
+               
+               //move ahead increment bases at a time until all bases are in a window
+               int countBases = 0;
+               int totalBases = 0;  //used to eliminate window of blanks at end of sequence
+                       
+               seq = query->getAligned();
+               for (int m = front; m < (back - size) ; m++) {
                                
-                               obsDistance[query].push_back(dist);
+                       //count number of bases you see
+                       if (isalpha(seq[m])) { countBases++; totalBases++;  }
                                
-                               startpoint += increment;
+                       //if you have seen enough bases to make a new window
+                       if (countBases >= increment) {
+                               win.push_back(m);  //save spot in alignment
+                               countBases = 0;                         //reset bases you've seen in this window
                        }
+                               
+                       //no need to continue if all your bases are in a window
+                       if (totalBases == numBases) {   break;  }
                }
-               
+                       
+               return win;
+       
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "calcObserved");
+               errorOut(e, "Pintail", "findWindows");
                exit(1);
        }
 }
 
 //***************************************************************************************************************
-void Pintail::calcExpected(int start, int end) {
+vector<float> Pintail::calcObserved(Sequence* query, Sequence subject, vector<int> window, int size) {
        try {
                
-       
-               //for each sequence
-               for(int i = start; i < end; i++){
-                       
-                       itCoef = seqCoef.find(querySeqs[i]);
-                       float coef = itCoef->second;
-                       
-                       //for each window
-                       vector<float> queryExpected;
-                       for (int m = 0; m < iters; m++) {               
-                               float expected = averageProbability[m] * coef;
-                               queryExpected.push_back(expected);      
-//cout << "average variabilty over window = " << averageProbability[m] << " coef = " << coef << " ei = "  << expected << '\t' <<  "window = " << m << endl;
+               vector<float> temp;
+//cout << "query length = " << query->getAligned().length() << '\t' << " subject length = " << subject.getAligned().length() << endl;                          
+               for (int m = 0; m < window.size(); m++) {
+                                               
+                       string seqFrag = query->getAligned().substr(window[m], size);
+                       string seqFragsub = subject.getAligned().substr(window[m], size);
+       //cout << "start point = " << window[m] << " end point = " << window[m]+size << endl;                                           
+                       int diff = 0;
+                       for (int b = 0; b < seqFrag.length(); b++) {
+                               if (seqFrag[b] != seqFragsub[b]) { diff++; }
                        }
+               
+                       //percentage of mismatched bases
+                       float dist;
+                       dist = diff / (float) seqFrag.length() * 100;       
+                               
+                       temp.push_back(dist);
+               }
                        
-                       expectedDistance[querySeqs[i]] = queryExpected;
+               return temp;
+       }
+       catch(exception& e) {
+               errorOut(e, "Pintail", "calcObserved");
+               exit(1);
+       }
+}
+//***************************************************************************************************************
+float Pintail::calcDist(Sequence* query, Sequence subject, int front, int back) {
+       try {
+               
+               //so you only look at the trimmed part of the sequence
+               int cutoff = back - front;  
                        
+               //from first startpoint with length back-front
+               string seqFrag = query->getAligned().substr(front, cutoff);
+               string seqFragsub = subject.getAligned().substr(front, cutoff);
+                                                                                                               
+               int diff = 0;
+               for (int b = 0; b < seqFrag.length(); b++) {
+                       if (seqFrag[b] != seqFragsub[b]) { diff++; }
                }
+               
+               //percentage of mismatched bases
+               float dist = diff / (float) seqFrag.length() * 100;       
                                
+               return dist;
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "calcExpected");
+               errorOut(e, "Pintail", "calcDist");
                exit(1);
        }
 }
+
 //***************************************************************************************************************
-void Pintail::calcDE(int start, int end) {
+vector<float> Pintail::calcExpected(vector<float> qav, float coef) {
        try {
                
-       
-               //for each sequence
-               for(int i = start; i < end; i++){
+               //for each window
+               vector<float> queryExpected;
                        
-                       itObsDist = obsDistance.find(querySeqs[i]);
-                       vector<float> obs = itObsDist->second;
+               for (int m = 0; m < qav.size(); m++) {          
+                               
+                       float expected = qav[m] * coef;
+                               
+                       queryExpected.push_back(expected);      
+               }
                        
-                       itExpDist = expectedDistance.find(querySeqs[i]);
-                       vector<float> exp = itExpDist->second;
-//     cout << "difference between obs and exp = " << abs(obs[m] - exp[m]) << endl;    
-                       //for each window
-                       float sum = 0.0;  //sum = sum from 1 to m of (oi-ei)^2
-                       for (int m = 0; m < iters; m++) {               sum += ((obs[m] - exp[m]) * (obs[m] - exp[m]));         }
+               return queryExpected;
+                               
+       }
+       catch(exception& e) {
+               errorOut(e, "Pintail", "calcExpected");
+               exit(1);
+       }
+}
+//***************************************************************************************************************
+float Pintail::calcDE(vector<float> obs, vector<float> exp) {
+       try {
+               
+               //for each window
+               float sum = 0.0;  //sum = sum from 1 to m of (oi-ei)^2
+               for (int m = 0; m < obs.size(); m++) {          sum += ((obs[m] - exp[m]) * (obs[m] - exp[m]));         }
                        
-                       float de = sqrt((sum / (iters - 1)));
+               float de = sqrt((sum / (obs.size() - 1)));
                        
-                       DE[querySeqs[i]] = de;
-               }
-                               
+               return de;
        }
        catch(exception& e) {
                errorOut(e, "Pintail", "calcDE");
@@ -326,10 +579,14 @@ vector<float> Pintail::calcFreq(vector<Sequence*> seqs) {
        try {
 
                vector<float> prob;
+               string freqfile = getRootName(templateFile) + "prob";
+               ofstream outFreq;
+               
+               openOutputFile(freqfile, outFreq);
                
                //at each position in the sequence
                for (int i = 0; i < seqs[0]->getAligned().length(); i++) {
-               
+                       
                        vector<int> freq;   freq.resize(4,0);
                        int gaps = 0;
                        
@@ -337,7 +594,7 @@ vector<float> Pintail::calcFreq(vector<Sequence*> seqs) {
                        for (int j = 0; j < seqs.size(); j++) {
                                
                                char value = seqs[j]->getAligned()[i];
-                       
+                               
                                if(toupper(value) == 'A')                                                                       {       freq[0]++;      }
                                else if(toupper(value) == 'T' || toupper(value) == 'U')         {       freq[1]++;      }
                                else if(toupper(value) == 'G')                                                          {       freq[2]++;      }
@@ -347,19 +604,27 @@ vector<float> Pintail::calcFreq(vector<Sequence*> seqs) {
                        
                        //find base with highest frequency
                        int highest = 0;
-                       for (int m = 0; m < freq.size(); m++) {    if (freq[m] > highest) {  highest = freq[m];  }              }
+                       for (int m = 0; m < freq.size(); m++) {   if (freq[m] > highest) {  highest = freq[m];  }               }
+                       
+                       float highFreq;
+                       //subtract gaps to "ignore them"
+                       if ( (seqs.size() - gaps) == 0 ) {  highFreq = 1.0;  }                  
+                       else { highFreq = highest / (float) (seqs.size() - gaps);        }
+                                               
+                       float Pi;
+                       Pi =  (highFreq - 0.25) / 0.75; 
                        
-                       //add in gaps - so you can effectively "ignore them"
-                       highest += gaps;
+                       //cannot have probability less than 0.
+                       if (Pi < 0) { Pi = 0.0; }
                        
-                       float highFreq = highest / (float) seqs.size(); 
+                       //saves this for later
+                       outFreq << i+1 << '\t' << Pi << endl;
                        
-                       float Pi;
-                       Pi =  (highFreq - 0.25) / 0.75;  
-                               
                        prob.push_back(Pi); 
                }
                
+               outFreq.close();
+               
                return prob;
                                
        }
@@ -369,25 +634,24 @@ vector<float> Pintail::calcFreq(vector<Sequence*> seqs) {
        }
 }
 //***************************************************************************************************************
-vector<float> Pintail::findQav(vector<float> prob) {
+vector<float>  Pintail::findQav(vector<int> window, int size) {
        try {
-               vector<float> averages;
-               
+               vector<float>  averages; 
+                               
                //for each window find average
-               int startpoint = 0;
-               for (int m = 0; m < iters; m++) {
-                       
+               for (int m = 0; m < window.size(); m++) {
+                               
                        float average = 0.0;
-                       for (int i = startpoint; i < (startpoint+window); i++) {   average += prob[i];  }
-                       
-                       average = average / window;
-//cout << average << endl;                     
+                               
+                       //while you are in the window for this sequence
+                       for (int j = window[m]; j < (window[m]+size); j++) {   average += probabilityProfile[j];        }
+                               
+                       average = average / size;
+       
                        //save this windows average
                        averages.push_back(average);
-               
-                       startpoint += increment;
                }
-               
+                               
                return averages;
        }
        catch(exception& e) {
@@ -395,88 +659,99 @@ vector<float> Pintail::findQav(vector<float> prob) {
                exit(1);
        }
 }
+
 //***************************************************************************************************************
-map<Sequence*, float> Pintail::getCoef(vector<float> prob) {
+vector< vector<float> > Pintail::getQuantiles(int start, int end) {
        try {
-               map<Sequence*, float> coefs;
+               vector< vector<float> > quan; 
                
-               //find average prob
-               float probAverage = 0.0;
-               for (int i = 0; i < prob.size(); i++) {   probAverage += prob[i];       }
-               probAverage = probAverage / (float) prob.size();
-cout << "(sum of ai) / m = " << probAverage << endl;           
-               //find a coef for each sequence
-               map<Sequence*, vector<float> >::iterator it;
-               for (it = obsDistance.begin(); it != obsDistance.end(); it++) {
-                       
-                       vector<float> temp = it->second;
-                       Sequence* tempSeq = it->first;
-                       
-                       //find observed average 
-                       float obsAverage = 0.0;
-                       for (int i = 0; i < temp.size(); i++) {   obsAverage += temp[i];        }
-                       obsAverage = obsAverage / (float) temp.size();
-cout << tempSeq->getName() << '\t' << obsAverage << endl;                      
-                       float coef = obsAverage / probAverage;
-cout  << tempSeq->getName() << '\t' << "coef = " << coef << endl;                      
-                       //save this sequences coefficient
-                       coefs[tempSeq] = coef;
-               }
+               //percentage of mismatched pairs 1 to 100
+               quan.resize(100);
                
+               
+               //for each sequence
+               for(int i = start; i < end; i++){
+               
+                       mothurOut("Processing template sequence " + toString(i)); mothurOutEndLine();
+                       Sequence* query = templateSeqs[i];
+                       
+                       //compare to every other sequence in template
+                       for(int j = 0; j < i; j++){
+                               
+                               Sequence subject = *(templateSeqs[j]);
+                               
+                               map<int, int> trim;
+                               trimSeqs(query, subject, trim);
+                               
+                               it = trim.begin();
+                               int front = it->first; int back = it->second;
+                               
+                               //reset window for each new comparison
+                               windowSizesTemplate[i] = window;
+                               
+                               vector<int> win = findWindows(query, front, back, windowSizesTemplate[i]);
+                               
+                               vector<float> obsi = calcObserved(query, subject, win, windowSizesTemplate[i]);
+                               
+                               vector<float> q = findQav(win, windowSizesTemplate[i]);
+                                                                       
+                               float alpha = getCoef(obsi, q);
+                                               
+                               vector<float> exp = calcExpected(q, alpha);
+                               
+                               float de = calcDE(obsi, exp);
+                                                               
+                               float dist = calcDist(query, subject, front, back); 
+                               
+                               dist = ceil(dist);
+                               
+                               //dist-1 because vector indexes start at 0.
+                               quan[dist-1].push_back(de);
+                               
+                       }
+               }
+
+               return quan;
                                                
-               return coefs;
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "getCoef");
+               errorOut(e, "Pintail", "findQav");
                exit(1);
        }
 }
 
-/**************************************************************************************************/
-
-void Pintail::createProcessesPairs() {
+//***************************************************************************************************************
+float Pintail::getCoef(vector<float> obs, vector<float> qav) {
        try {
-#if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
-               int process = 0;
-               vector<int> processIDS;
+       
+               //find average prob for this seqs windows
+               float probAverage = 0.0;
+               for (int j = 0; j < qav.size(); j++) {   probAverage += qav[j]; }
+               probAverage = probAverage / (float) qav.size();
                
-               //loop through and create all the processes you want
-               while (process != processors) {
-                       int pid = fork();
-                       
-                       if (pid > 0) {
-                               processIDS.push_back(pid);  
-                               process++;
-                       }else if (pid == 0){
-                               findPairs(lines[process]->start, lines[process]->end);
-                               exit(0);
-                       }else { mothurOut("unable to spawn the necessary processes."); mothurOutEndLine(); exit(0); }
-               }
+               //find observed average 
+               float obsAverage = 0.0;
+               for (int j = 0; j < obs.size(); j++) {   obsAverage += obs[j];  }
+               obsAverage = obsAverage / (float) obs.size();
                
-               //force parent to wait until all the processes are done
-               for (int i=0;i<processors;i++) { 
-                       int temp = processIDS[i];
-                       wait(&temp);
-               }
-               
-#else
-               findPairs(lines[0]->start, lines[0]->end);
 
-#endif         
+               float coef = obsAverage / probAverage;
+                                               
+               return coef;
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "createProcessesPairs");
+               errorOut(e, "Pintail", "getCoef");
                exit(1);
        }
 }
-
 /**************************************************************************************************/
 
-void Pintail::createProcessesObserved() {
+void Pintail::createProcessesSpots() {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
                vector<int> processIDS;
+               vector< vector<int> > win; win.resize(querySeqs.size());
                
                //loop through and create all the processes you want
                while (process != processors) {
@@ -486,7 +761,27 @@ void Pintail::createProcessesObserved() {
                                processIDS.push_back(pid);  
                                process++;
                        }else if (pid == 0){
-                               calcObserved(lines[process]->start, lines[process]->end);
+                               
+                               mothurOut("Finding pairs for sequences " + toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               vector<Sequence> tempbest;
+                               tempbest = findPairs(lines[process]->start, lines[process]->end);
+                               int count = 0;
+                               for (int i = lines[process]->start; i < lines[process]->end; i++) {
+                                       bestfit[i] = tempbest[count];
+                                       
+                                       //chops off beginning and end of sequences so they both start and end with a base
+                                       trimSeqs(querySeqs[i], bestfit[i], trimmed[i]);
+                                       count++;
+                               }
+                               mothurOut("Done finding pairs for sequences " +  toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               
+                               mothurOut("Finding window breaks for sequences " + toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               for (int i = lines[process]->start; i < lines[process]->end; i++) {
+                                       vector<int> temp = findWindows(querySeqs[i], it->first, it->second, windowSizes[i]);
+                                       win[i] = temp;
+                               }
+                               mothurOut("Done finding window breaks for sequences " + toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               
                                exit(0);
                        }else { mothurOut("unable to spawn the necessary processes."); mothurOutEndLine(); exit(0); }
                }
@@ -497,25 +792,43 @@ void Pintail::createProcessesObserved() {
                        wait(&temp);
                }
                
+               windowsForeachQuery = win;
 #else
-               calcObserved(lines[0]->start, lines[0]->end);
+               bestfit = findPairs(lines[0]->start, lines[0]->end);
+               for (int j = 0; j < bestfit.size(); j++) {
+                               //chops off beginning and end of sequences so they both start and end with a base
+                               trimSeqs(querySeqs[j], bestfit[j], j);  
+               }
+
+               for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               it = trimmed[i].begin();
+                               map<int, int> win = findWindows(querySeqs[i], it->first, it->second, windowSizes[i]);
+                               windows[i] = win;
+               }
 
 #endif         
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "createProcessesObserved");
+               errorOut(e, "Pintail", "createProcessesSpots");
                exit(1);
        }
 }
 
-//***************************************************************************************************************
 
-void Pintail::createProcessesExpected() {
+/**************************************************************************************************/
+
+void Pintail::createProcesses() {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
                vector<int> processIDS;
                
+               vector< vector<float> > exp;  exp.resize(querySeqs.size());
+               vector<float> de; de.resize(querySeqs.size());
+               vector< vector<float> > obs; obs.resize(querySeqs.size());
+               vector<float> dev; dev.resize(querySeqs.size());
+               
+               
                //loop through and create all the processes you want
                while (process != processors) {
                        int pid = fork();
@@ -524,7 +837,33 @@ void Pintail::createProcessesExpected() {
                                processIDS.push_back(pid);  
                                process++;
                        }else if (pid == 0){
-                               calcExpected(lines[process]->start, lines[process]->end);
+                               
+                               mothurOut("Calculating observed, expected and de values for sequences " + toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               for (int i = lines[process]->start; i < lines[process]->end; i++) {
+                                       
+                                       vector<float> obsi = calcObserved(querySeqs[i], bestfit[i], windowsForeachQuery[i], windowSizes[i]);
+                                       obs[i] = obsi;
+                               
+                                       //calc Qav
+                                       vector<float> q = findQav(windowsForeachQuery[i], windowSizes[i]);
+                                       
+                                       //get alpha
+                                       float alpha = getCoef(obsDistance[i], q);
+                                       
+                                       //find expected
+                                       vector<float> exp = calcExpected(q, alpha);
+                                       expectedDistance[i] = exp;
+                                       
+                                       //get de and deviation
+                                       float dei = calcDE(obsi, exp);
+                                       de[i] = dei;
+                                       
+                                       it = trimmed[i].begin();
+                                       float dist = calcDist(querySeqs[i], bestfit[i], it->first, it->second); 
+                                       dev[i] = dist;
+                               }
+                               mothurOut("Done calculating observed, expected and de values for sequences " + toString(lines[process]->start) + " to " + toString(lines[process]->end)); mothurOutEndLine();
+                               
                                exit(0);
                        }else { mothurOut("unable to spawn the necessary processes."); mothurOutEndLine(); exit(0); }
                }
@@ -535,25 +874,77 @@ void Pintail::createProcessesExpected() {
                        wait(&temp);
                }
                
+               obsDistance = obs;
+               expectedDistance = exp;
+               DE = de;
+               deviation = dev;
+               
 #else
-               calcExpected(lines[0]->start, lines[0]->end);
+                       mothurOut("Calculating observed distance... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               vector<float> obsi = calcObserved(querySeqs[i], bestfit[i], windows[i], windowSizes[i]);
+                               obsDistance[i] = obsi;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       
+                       mothurOut("Finding variability... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               vector<float> q = findQav(windows[i], windowSizes[i]);
+                               Qav[i] = q;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       
+                       mothurOut("Calculating alpha... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               float alpha = getCoef(obsDistance[i], Qav[i]);
+                               seqCoef.push_back(alpha);
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+               
+               
+               
+                       mothurOut("Calculating expected distance... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               vector<float> exp = calcExpected(Qav[i], seqCoef[i]);
+                               expectedDistance[i] = exp;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
+                       
+                       
+                       
+                       mothurOut("Finding deviation... "); cout.flush();
+                       for (int i = lines[0]->start; i < lines[0]->end; i++) {
+                               float de = calcDE(obsDistance[i], expectedDistance[i]);
+                               DE[i] = de;
+                               
+                               it = trimmed[i].begin();
+                               float dist = calcDist(querySeqs[i], bestfit[i], it->first, it->second); 
+                               deviation[i] = dist;
+                       }
+                       mothurOut("Done."); mothurOutEndLine();
 
 #endif         
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "createProcessesExpected");
+               errorOut(e, "Pintail", "createProcesses");
                exit(1);
        }
 }
 
+
 /**************************************************************************************************/
 
-void Pintail::createProcessesDE() {
+void Pintail::createProcessesQuan() {
        try {
 #if defined (__APPLE__) || (__MACH__) || (linux) || (__linux)
                int process = 0;
                vector<int> processIDS;
-               
+               vector< vector<float> > quan; quan.resize(100);
+                               
                //loop through and create all the processes you want
                while (process != processors) {
                        int pid = fork();
@@ -562,7 +953,20 @@ void Pintail::createProcessesDE() {
                                processIDS.push_back(pid);  
                                process++;
                        }else if (pid == 0){
-                               calcDE(lines[process]->start, lines[process]->end);
+                               
+                               vector< vector<float> > q = getQuantiles(templateLines[process]->start, templateLines[process]->end);
+                               
+                               for (int i = 0; i < q.size(); i++) {
+                                       //put all values of q[i] into quan[i]
+                                       quan[i].insert(quan[i].begin(), q[i].begin(), q[i].end());
+                               }
+                               
+                               for (int i = 0; i < quan.size(); i++) {
+                                       cout << i+1 << '\t';
+                                       for (int j = 0; j < quan[i].size(); j++) {  cout << quan[i][j] << '\t';  }
+                                       cout << endl;
+                               }
+
                                exit(0);
                        }else { mothurOut("unable to spawn the necessary processes."); mothurOutEndLine(); exit(0); }
                }
@@ -573,17 +977,18 @@ void Pintail::createProcessesDE() {
                        wait(&temp);
                }
                
+               quantiles = quan;
 #else
-               calcDE(lines[0]->start, lines[0]->end);
-
+               quantiles = getQuantiles(0, templateSeqs.size());
 #endif         
        }
        catch(exception& e) {
-               errorOut(e, "Pintail", "createProcessesDE");
+               errorOut(e, "Pintail", "createProcessesQuan");
                exit(1);
        }
 }
 
+
 //***************************************************************************************************************