}
}
//**********************************************************************************************************************
+string CooccurrenceCommand::getOutputFileNameTag(string type, string inputName=""){
+ try {
+ string outputFileName = "";
+ map<string, vector<string> >::iterator it;
+
+ //is this a type this command creates
+ it = outputTypes.find(type);
+ if (it == outputTypes.end()) { m->mothurOut("[ERROR]: this command doesn't create a " + type + " output file.\n"); }
+ else {
+ if (type == "summary") { outputFileName = "cooccurence.summary"; }
+ else { m->mothurOut("[ERROR]: No definition for type " + type + " output file tag.\n"); m->control_pressed = true; }
+ }
+ return outputFileName;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "CooccurrenceCommand", "getOutputFileNameTag");
+ exit(1);
+ }
+}
+//**********************************************************************************************************************
CooccurrenceCommand::CooccurrenceCommand(){
try {
abort = true; calledHelp = true;
set<string> userLabels = labels;
ofstream out;
- string outputFileName = outputDir + m->getRootName(m->getSimpleName(sharedfile)) + "cooccurence.summary";
+ string outputFileName = outputDir + m->getRootName(m->getSimpleName(sharedfile)) + getOutputFileNameTag("summary");
m->openOutputFile(outputFileName, out);
outputNames.push_back(outputFileName); outputTypes["summary"].push_back(outputFileName);
out.setf(ios::fixed, ios::floatfield); out.setf(ios::showpoint);
- out << "metric\tlabel\tScore\tpValue\n";
+ out << "metric\tlabel\tScore\tzScore\tstandardDeviation\n";
//as long as you are not at the end of the file or done wih the lines you want
while((lookup[0] != NULL) && ((allLines == 1) || (userLabels.size() != 0))) {
int CooccurrenceCommand::getCooccurrence(vector<SharedRAbundVector*>& thisLookUp, ofstream& out){
try {
int numOTUS = thisLookUp[0]->getNumBins();
- vector< vector<int> > initmatrix; initmatrix.resize(thisLookUp.size());
+
+ if(numOTUS < 2) {
+ m->mothurOut("Not enough OTUs for co-occurrence analysis, skipping"); m->mothurOutEndLine();
+ return 0;
+ }
+
vector< vector<int> > co_matrix; co_matrix.resize(thisLookUp[0]->getNumBins());
for (int i = 0; i < thisLookUp[0]->getNumBins(); i++) { co_matrix[i].resize((thisLookUp.size()), 0); }
- for (int i = 0; i < thisLookUp.size(); i++) { initmatrix[i].resize((thisLookUp[i]->getNumBins()), 0); }
vector<int> columntotal; columntotal.resize(thisLookUp.size(), 0);
vector<int> rowtotal; rowtotal.resize(numOTUS, 0);
- for (int i = 0; i < thisLookUp.size(); i++) {
- for (int j = 0; j < thisLookUp[i]->getNumBins(); j++) {
+ for (int i = 0; i < thisLookUp.size(); i++) { //nrows in the shared file
+ for (int j = 0; j < thisLookUp[i]->getNumBins(); j++) { //cols of original shared file
if (m->control_pressed) { return 0; }
int abund = thisLookUp[i]->getAbundance(j);
if(abund > 0) {
- initmatrix[i][j] = 1;
co_matrix[j][i] = 1;
rowtotal[j]++;
columntotal[i]++;
int ncols = thisLookUp.size();//groups
double initscore = 0.0;
- vector<int> columntotal; columntotal.resize(ncols, 0);
- vector<int> rowtotal; rowtotal.resize(nrows, 0);
vector<double> stats;
double probabilityMatrix[ncols * nrows];
vector<vector<int> > nullmatrix(nrows, vector<int>(ncols, 0));
}
}
}
- else if (matrix == "sim2") {
- for(int i=0;i<nrows;i++) {
- start = 0.0;
- for(int j=0;j<ncols;j++) {
- probabilityMatrix[ncols * i + j] = start + 1/double(ncols);
- start = start + 1/double(ncols);
- }
- }
- }
+ //don't need a prob matrix because we just shuffle the rows, may use this in the future
+ else if (matrix == "sim2") { }
+// for(int i=0;i<nrows;i++) {
+// start = 0.0;
+// for(int j=0;j<ncols;j++) {
+// probabilityMatrix[ncols * i + j] = start + 1/double(ncols);
+// start = start + 1/double(ncols);
+// }
+// }
+// }
else if (matrix == "sim3") {
for(int j=0;j<ncols;j++) {
}
}
}
- else if (matrix == "sim9") { }
+ else if (matrix == "sim9" || matrix == "sim2") { }
else {
m->mothurOut("[ERROR]: No model selected! \n");
m->control_pressed = true;
}
-
- if (metric == "cscore") { initscore = trial.calc_c_score(initmatrix, rowtotal, ncols, nrows); }
- else if (metric == "checker") { initscore = trial.calc_checker(initmatrix, rowtotal, ncols, nrows); }
+ //co_matrix is the transposed shared file, initmatrix is the original shared file
+ if (metric == "cscore") { initscore = trial.calc_c_score(co_matrix, rowtotal, ncols, nrows); }
+ else if (metric == "checker") { initscore = trial.calc_checker(co_matrix, rowtotal, ncols, nrows); }
else if (metric == "vratio") { initscore = trial.calc_vratio(nrows, ncols, rowtotal, columntotal); }
- else if (metric == "combo") { initscore = trial.calc_combo(nrows, ncols, initmatrix); }
+ else if (metric == "combo") { initscore = trial.calc_combo(nrows, ncols, co_matrix); }
else { m->mothurOut("[ERROR]: No metric selected!\n"); m->control_pressed = true; return 1; }
m->mothurOut("Initial c score: " + toString(initscore)); m->mothurOutEndLine();
double current;
double randnum;
int count;
-
- //burn-in
- for(int i=0;i<10000;i++){
- nullmatrix.clear();
- //zero-fill the null matrix
- nullmatrix.assign(nrows, vector<int>(ncols, 0));
-
- if(matrix == "sim1" || matrix == "sim6" || matrix == "sim8" || matrix == "sim7") {
- count = 0;
- while(count < n) {
- nextnum:
- previous = 0.0;
- randnum = rand() / double(RAND_MAX);
- for(int i=0;i<nrows;i++) {
- for(int j=0;j<ncols;j++) {
- current = probabilityMatrix[ncols * i + j];
- if(randnum <= current && randnum > previous) {
- nullmatrix[i][j] = 1;
- count++;
- if (count > n) break;
- else
- goto nextnum;
- }
- previous = current;
- }
- }
- }
- }
-
- else if(matrix == "sim2" || matrix == "sim4") {
- for(int i=0;i<nrows;i++) {
- previous = 0.0;
- count = 0;
- while(count < rowtotal[i]) {
- randnum = rand() / double(RAND_MAX);
- for(int j=0;j<ncols;j++) {
- current = probabilityMatrix[ncols * i + j];
- if(randnum <= current && randnum > previous && nullmatrix[i][j] != 1) {
- nullmatrix[i][j] = 1;
- count++;
- previous = 0.0;
- break;
- }
- previous = current;
- }
- }
- }
- }
-
- else if(matrix == "sim3" || matrix == "sim5") {
- //columns
- for(int j=0;j<ncols;j++) {
- count = 0;
- while(count < columntotal[j]) {
- randnum = rand() / double(RAND_MAX);
- for(int i=0;i<nrows;i++) {
- current = probabilityMatrix[ncols * i + j];
- if(randnum <= current && randnum > previous && nullmatrix[i][j] != 1) {
- nullmatrix[i][j] = 1;
- count++;
- previous = 0.0;
- break;
- }
- previous = current;
- }
- }
- }
- }
-
+
+ //burn-in for sim9
+ if(matrix == "sim9") {
+ for(int i=0;i<10000;i++) trial.swap_checkerboards (co_matrix, ncols, nrows);
}
-
+
//populate null matrix from probability matrix, do this a lot.
- for(int i=0;i<runs;i++){
+ for(int k=0;k<runs;k++){
nullmatrix.clear();
//zero-fill the null matrix
nullmatrix.assign(nrows, vector<int>(ncols, 0));
if(matrix == "sim1" || matrix == "sim6" || matrix == "sim8" || matrix == "sim7") {
count = 0;
while(count < n) {
+ if (m->control_pressed) { return 0; }
nextnum2:
previous = 0.0;
randnum = rand() / double(RAND_MAX);
}
}
- else if(matrix == "sim2" || matrix == "sim4") {
+ else if (matrix == "sim2") {
+ for(int i=0;i<nrows;i++) {
+ random_shuffle( co_matrix[i].begin(), co_matrix[i].end() );
+ }
+ //do this for the scoring since those all have nullmatrix as a parameter
+ //nullmatrix gets cleared at the begining of each run
+ nullmatrix = co_matrix;
+ }
+
+ else if(matrix == "sim4") {
for(int i=0;i<nrows;i++) {
- previous = 0.0;
count = 0;
while(count < rowtotal[i]) {
+ previous = 0.0;
+ if (m->control_pressed) { return 0; }
randnum = rand() / double(RAND_MAX);
for(int j=0;j<ncols;j++) {
current = probabilityMatrix[ncols * i + j];
for(int j=0;j<ncols;j++) {
count = 0;
while(count < columntotal[j]) {
+ if (m->control_pressed) { return 0; }
randnum = rand() / double(RAND_MAX);
for(int i=0;i<nrows;i++) {
current = probabilityMatrix[ncols * i + j];
//swap_checkerboards takes the original matrix and swaps checkerboards
else if(matrix == "sim9") {
- trial.swap_checkerboards (initmatrix, rowtotal, columntotal, ncols, nrows);
+ trial.swap_checkerboards (co_matrix, ncols, nrows);
+ nullmatrix = co_matrix;
}
else {
m->mothurOut("[ERROR]: No null model selected!\n\n"); m->control_pressed = true;
m->mothurOutEndLine(); m->mothurOut("average metric score: " + toString(nullMean)); m->mothurOutEndLine();
+ //calc_p_value is not a statistical p-value, it's just the average that are either > or < the initscore.
+ //All it does is show what is expected in a competitively structured community
+ //zscore is output so p-value can be looked up in a ztable
double pvalue = 0.0;
if (metric == "cscore" || metric == "checker") { pvalue = trial.calc_pvalue_greaterthan (stats, initscore); }
else{ pvalue = trial.calc_pvalue_lessthan (stats, initscore); }
+
+ double sd = trial.getSD(runs, stats, nullMean);
+
+ double zscore = trial.get_zscore(sd, nullMean, initscore);
- m->mothurOut("pvalue: " + toString(pvalue)); m->mothurOutEndLine();
- out << metric << '\t' << thisLookUp[0]->getLabel() << '\t' << nullMean << '\t' << pvalue << endl;
+ m->mothurOut("zscore: " + toString(zscore)); m->mothurOutEndLine();
+ m->mothurOut("standard deviation: " + toString(sd)); m->mothurOutEndLine();
+ out << metric << '\t' << thisLookUp[0]->getLabel() << '\t' << nullMean << '\t' << zscore << '\t' << sd << endl;
return 0;
}