X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=libshuffcommand.cpp;h=e78c00d4d1117d7832de2f3d7e7ff8a6accd9e47;hb=9a339a6b007b23c39b7eb20cc777af66dd2cebef;hp=a34fb3602c2dc5b3b6ce6b9ec01ef2ed6f35eab3;hpb=42b802c0006d8b13bd5b27ea48d032a85d3f2102;p=mothur.git

diff --git a/libshuffcommand.cpp b/libshuffcommand.cpp
index a34fb36..e78c00d 100644
--- a/libshuffcommand.cpp
+++ b/libshuffcommand.cpp
@@ -7,246 +7,302 @@
  *
  */
 
+/* This class is designed to implement an integral form of the Cramer-von Mises statistic.
+	you may refer to the "Integration of Microbial Ecology and Statistics: A Test To Compare Gene Libraries" 
+	paper in Applied and Environmental Microbiology, Sept. 2004, p. 5485-5492 0099-2240/04/$8.00+0  
+	DOI: 10.1128/AEM.70.9.5485-5492.2004 Copyright 2004 American Society for Microbiology for more information. */
+
+
 #include "libshuffcommand.h"
+#include "libshuff.h"
+#include "slibshuff.h"
+#include "dlibshuff.h"
 
 //**********************************************************************************************************************
 
-
-LibShuffCommand::LibShuffCommand(){
+LibShuffCommand::LibShuffCommand(string option){
 	try {
+		
 		globaldata = GlobalData::getInstance();
-		convert(globaldata->getCutOff(), cutOff);
-		convert(globaldata->getIters(), iters);
-		matrix = globaldata->gMatrix;
-		coverageFile = getRootName(globaldata->getPhylipFile()) + "coverage";
-		summaryFile = getRootName(globaldata->getPhylipFile()) + "slsummary";
-		openOutputFile(coverageFile, out);
-		openOutputFile(summaryFile, outSum);
+		abort = false;
+		Groups.clear();
 		
-		//set the groups to be analyzed
-		setGroups();
-
-		//file headers for coverage file
-		out << "D" << '\t';
-		for (int i = 0; i < groupComb.size(); i++) {
-			out << "C" + groupComb[i] << '\t';
-		}
 		
-		for (int i = 0; i < numGroups; i++) {
-			for (int j = 0; j < numGroups; j++) {
-				//don't output AA to AA
-				if (i != j) {
-					out << "Delta" + globaldata->Groups[i] + "-" + globaldata->Groups[j] << '\t';
+		//allow user to run help
+		if(option == "help") { help(); abort = true; }
+		
+		else {
+			//valid paramters for this command
+			string Array[] =  {"iters","groups","step","form","cutoff"};
+			vector<string> myArray (Array, Array+(sizeof(Array)/sizeof(string)));
+			
+			OptionParser parser(option);
+			map<string, string> parameters = parser.getParameters();
+			
+			ValidParameters validParameter;
+		
+			//check to make sure all parameters are valid for command
+			for (map<string,string>::iterator it = parameters.begin(); it != parameters.end(); it++) { 
+				if (validParameter.isValidParameter(it->first, myArray, it->second) != true) {  abort = true;  }
+			}
+			
+			//make sure the user has already run the read.dist command
+			if ((globaldata->gMatrix == NULL) || (globaldata->gGroupmap == NULL)) {
+				mothurOut("You must read in a matrix and groupfile using the read.dist command, before you use the libshuff command. "); mothurOutEndLine(); abort = true;; 
+			}
+						
+			//check for optional parameter and set defaults
+			// ...at some point should added some additional type checking...
+			groups = validParameter.validFile(parameters, "groups", false);			
+			if (groups == "not found") { groups = ""; savegroups = groups; }
+			else { 
+				savegroups = groups;
+				splitAtDash(groups, Groups);
+				globaldata->Groups = Groups;
+			}
+				
+			string temp;
+			temp = validParameter.validFile(parameters, "iters", false);				if (temp == "not found") { temp = "10000"; }
+			convert(temp, iters); 
+			
+			temp = validParameter.validFile(parameters, "cutoff", false);				if (temp == "not found") { temp = "1.0"; }
+			convert(temp, cutOff); 
+			
+			temp = validParameter.validFile(parameters, "step", false);				if (temp == "not found") { temp = "0.01"; }
+			convert(temp, step); 
+	
+			userform = validParameter.validFile(parameters, "form", false);			if (userform == "not found") { userform = "integral"; }
+			
+			if (abort == false) {
+			
+				matrix = globaldata->gMatrix;				//get the distance matrix
+				setGroups();								//set the groups to be analyzed
+
+				if(userform == "discrete"){
+					form = new DLibshuff(matrix, iters, step, cutOff);
+				}
+				else{
+					form = new SLibshuff(matrix, iters, cutOff);
 				}
 			}
+			
 		}
-		out << endl;
-
-		numComp = numGroups*numGroups;
-		
-		coverage = new Coverage();
 		
 	}
 	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function LibShuffCommand. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+		errorOut(e, "LibShuffCommand", "LibShuffCommand");
 		exit(1);
 	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function LibShuffCommand. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}	
-			
 }
-
 //**********************************************************************************************************************
 
-LibShuffCommand::~LibShuffCommand(){
-	delete coverage;
+void LibShuffCommand::help(){
+	try {
+		mothurOut("The libshuff command can only be executed after a successful read.dist command including a groupfile.\n");
+		mothurOut("The libshuff command parameters are groups, iters, step, form and cutoff.  No parameters are required.\n");
+		mothurOut("The groups parameter allows you to specify which of the groups in your groupfile you would like analyzed.  You must enter at least 2 valid groups.\n");
+		mothurOut("The group names are separated by dashes.  The iters parameter allows you to specify how many random matrices you would like compared to your matrix.\n");
+		mothurOut("The step parameter allows you to specify change in distance you would like between each output if you are using the discrete form.\n");
+		mothurOut("The form parameter allows you to specify if you would like to analyze your matrix using the discrete or integral form. Your options are integral or discrete.\n");
+		mothurOut("The libshuff command should be in the following format: libshuff(groups=yourGroups, iters=yourIters, cutOff=yourCutOff, form=yourForm, step=yourStep).\n");
+		mothurOut("Example libshuff(groups=A-B-C, iters=500, form=discrete, step=0.01, cutOff=2.0).\n");
+		mothurOut("The default value for groups is all the groups in your groupfile, iters is 10000, cutoff is 1.0, form is integral and step is 0.01.\n");
+		mothurOut("The libshuff command output two files: .coverage and .slsummary their descriptions are in the manual.\n");
+		mothurOut("Note: No spaces between parameter labels (i.e. iters), '=' and parameters (i.e.yourIters).\n\n");
+	}
+	catch(exception& e) {
+		errorOut(e, "LibShuffCommand", "help");
+		exit(1);
+	}
 }
 
 //**********************************************************************************************************************
 
 int LibShuffCommand::execute(){
 	try {
-		//deltaValues[0] = scores for the difference between AA and AB.
-		//cValues[0][0] = AA, cValues[0][1] = AB, cValues[0][2] = AC, cValues[1][0] = BA, cValues[1][1] = BB...
 		
-		sumDelta.resize(numComp-numGroups, 0.0);
-				
-		float D = 0.0;
+		if (abort == true) {	return 0;	}
 		
-		/*****************************/
-		//get values for users matrix
-		/*****************************/
-		matrix->getMinsForRowsVectors();
+		savedDXYValues = form->evaluateAll();
+		savedMinValues = form->getSavedMins();
 		
-		//get values for users matrix
-		while (D <= cutOff) {
-			cValues = coverage->getValues(matrix, D);
-			
-			//find delta values
-			int count = 0;
-			for (int i = 0; i < numGroups; i++) {
-				for (int j = 0; j < numGroups; j++) {
-					//don't save AA to AA
-					if (i != j) {
-						//(Caa - Cab)^2
-						deltaValues.push_back( (abs(cValues[i][i]-cValues[i][j]) * abs(cValues[i][i]-cValues[i][j])) ); 
-						sumDelta[count] += deltaValues[count];
-						count++;
-					}
-				}
-			}
-			
-			D += 0.01;
-			
-			printCoverageFile(D);
-			
-			//clear out old Values
-			cValues.clear();
-			deltaValues.clear();
+		pValueCounts.resize(numGroups);
+		for(int i=0;i<numGroups;i++){
+			pValueCounts[i].assign(numGroups, 0);
 		}
 		
-		/*******************************************************************************/
-		//create and score random matrixes finding the sumDelta values for summary file
-		/******************************************************************************/
-
-		//initialize rsumDelta
-		rsumDelta.resize(numComp-numGroups);
-		for (int l = 0; l < rsumDelta.size(); l++) {
-			for (int w = 0; w < iters; w++) {
-				rsumDelta[l].push_back(0.0);
-			}
-		}
+		Progress* reading = new Progress();
 		
-		for (int m = 0; m < iters; m++) {
-			//generate random matrix in getValues
-			//values for random matrix
-			while (D <= cutOff) {
-				cValues = coverage->getValues(matrix, D);
-			
-				//find delta values
-				int count = 0;
-				for (int i = 0; i < numGroups; i++) {
-					for (int j = 0; j < numGroups; j++) {
-						//don't save AA to AA
-						if (i != j) {
-							//(Caa - Cab)^2
-							rsumDelta[count][m] += (abs(cValues[i][i]-cValues[i][j]) * abs(cValues[i][i]-cValues[i][j]));
-							count++;
-						}
-					}
+		for(int i=0;i<numGroups-1;i++) {
+			for(int j=i+1;j<numGroups;j++) {
+				reading->newLine(groupNames[i]+'-'+groupNames[j], iters);
+				for(int p=0;p<iters;p++) {		
+					form->randomizeGroups(i,j);
+					if(form->evaluatePair(i,j) >= savedDXYValues[i][j])	{	pValueCounts[i][j]++;	}
+					if(form->evaluatePair(j,i) >= savedDXYValues[j][i])	{	pValueCounts[j][i]++;	}
+					reading->update(p);			
 				}
-			
-				D += 0.01;
-			
-				//clear out old Values
-				cValues.clear();
+				form->resetGroup(i);
+				form->resetGroup(j);
 			}
 		}
-		
-		/**********************************************************/
-		//find the signifigance of the user matrix' sumdelta values
-		/**********************************************************/
-		
-		for (int t = 0; t < rsumDelta.size(); t++) {
-			//sort rsumDelta t
-			sort(rsumDelta[t].begin(), rsumDelta[t].end());
-			
-			//the index of the score higher than yours is returned 
-			//so if you have 1000 random matrices the index returned is 100 
-			//then there are 900 matrices with a score greater then you. 
-			//giving you a signifigance of 0.900
-			int index = findIndex(sumDelta[t], t);    
-			
-			//the signifigance is the number of trees with the users score or higher 
-			sumDeltaSig.push_back((iters-index)/(float)iters);
+		reading->finish();
+		delete reading;
 
-		}
-		
+		mothurOutEndLine();
 		printSummaryFile();
+		printCoverageFile();
 		
 		//clear out users groups
 		globaldata->Groups.clear();
+		delete form;
+		
+		//delete globaldata's copy of the gmatrix to free up memory
+		delete globaldata->gMatrix;  globaldata->gMatrix = NULL;
 		
 		return 0;
 	}
 	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+		errorOut(e, "LibShuffCommand", "execute");
 		exit(1);
 	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function execute. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}	
 }
+
 //**********************************************************************************************************************
-void LibShuffCommand::printCoverageFile(float d) {
+
+void LibShuffCommand::printCoverageFile() {
 	try {
-		//format output
-		out.setf(ios::fixed, ios::floatfield); out.setf(ios::showpoint);
+
+		ofstream outCov;
+		summaryFile = getRootName(globaldata->getPhylipFile()) + "libshuff.coverage";
+		openOutputFile(summaryFile, outCov);
+		outCov.setf(ios::fixed, ios::floatfield); outCov.setf(ios::showpoint);
+		//cout.setf(ios::fixed, ios::floatfield); cout.setf(ios::showpoint);
 		
-		out << setprecision(globaldata->getIters().length()) << d << '\t';
+		map<double,vector<int> > allDistances;
+		map<double,vector<int> >::iterator it;
+
+		vector<vector<int> > indices(numGroups);
+		int numIndices = numGroups * numGroups;
 		
-		//print out coverage values
-		for (int i = 0; i < numGroups; i++) {
-			for (int j = 0; j < numGroups; j++) {
-				out << cValues[i][j] << '\t';
+		int index = 0;
+		for(int i=0;i<numGroups;i++){
+			indices[i].assign(numGroups,0);
+			for(int j=0;j<numGroups;j++){
+				indices[i][j] = index++;
+				for(int k=0;k<savedMinValues[i][j].size();k++){
+					if(allDistances[savedMinValues[i][j][k]].size() != 0){
+						allDistances[savedMinValues[i][j][k]][indices[i][j]]++;
+					}
+					else{
+						allDistances[savedMinValues[i][j][k]].assign(numIndices, 0);
+						allDistances[savedMinValues[i][j][k]][indices[i][j]] = 1;
+					}
+				}
 			}
 		}
+		it=allDistances.begin();
+		
+		//cout << setprecision(8);
+
+		vector<int> prevRow = it->second;
+		it++;
 		
-		//print out delta values
-		for (int i = 0; i < deltaValues.size(); i++) {
-			out << deltaValues[i] << '\t';
+		for(;it!=allDistances.end();it++){
+			for(int i=0;i<it->second.size();i++){
+				it->second[i] += prevRow[i];
+			}
+			prevRow = it->second;
 		}
 		
-		out << endl;
-	
+		vector<int> lastRow = allDistances.rbegin()->second;
+		outCov << setprecision(8);
+		
+		outCov << "dist";
+		for (int i = 0; i < numGroups; i++){
+			outCov << '\t' << groupNames[i];
+		}
+		for (int i=0;i<numGroups;i++){
+			for(int j=i+1;j<numGroups;j++){
+				outCov << '\t' << groupNames[i] << '-' << groupNames[j] << '\t';
+				outCov << groupNames[j] << '-' << groupNames[i];
+			}
+		}
+		outCov << endl;
+		
+		for(it=allDistances.begin();it!=allDistances.end();it++){
+			outCov << it->first << '\t';
+			for(int i=0;i<numGroups;i++){
+				outCov << it->second[indices[i][i]]/(float)lastRow[indices[i][i]] << '\t';
+			}
+			for(int i=0;i<numGroups;i++){
+				for(int j=i+1;j<numGroups;j++){
+					outCov << it->second[indices[i][j]]/(float)lastRow[indices[i][j]] << '\t';
+					outCov << it->second[indices[j][i]]/(float)lastRow[indices[j][i]] << '\t';
+				}
+			}
+			outCov << endl;
+		}
+		outCov.close();
 	}
 	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function printCoverageFile. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+		errorOut(e, "LibShuffCommand", "printCoverageFile");
 		exit(1);
 	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function printCoverageFile. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}	
 } 
+
 //**********************************************************************************************************************
+
 void LibShuffCommand::printSummaryFile() {
 	try {
-		//format output
+
+		ofstream outSum;
+		summaryFile = getRootName(globaldata->getPhylipFile()) + "libshuff.summary";
+		openOutputFile(summaryFile, outSum);
+
 		outSum.setf(ios::fixed, ios::floatfield); outSum.setf(ios::showpoint);
+		cout.setf(ios::fixed, ios::floatfield); cout.setf(ios::showpoint);
 		
-		for (int i = 0; i < numGroups; i++) {
-			for (int j = 0; j < numGroups; j++) {
-				//don't output AA to AA
-				if (i != j) {
-					outSum << "Delta" + globaldata->Groups[i] + "-" + globaldata->Groups[j] << '\t'<< "DeltaSig" + globaldata->Groups[i] + "-" + globaldata->Groups[j] << '\t';
+		cout << setw(20) << left << "Comparison" << '\t' << setprecision(8) << "dCXYScore" << '\t' << "Significance" << endl;
+		mothurOutJustToLog("Comparison\tdCXYScore\tSignificance"); mothurOutEndLine();
+		outSum << setw(20) << left << "Comparison" << '\t' << setprecision(8) << "dCXYScore" << '\t' << "Significance" << endl;
+	
+		int precision = (int)log10(iters);
+		for(int i=0;i<numGroups;i++){
+			for(int j=i+1;j<numGroups;j++){
+				if(pValueCounts[i][j]){
+					cout << setw(20) << left << groupNames[i]+'-'+groupNames[j] << '\t' << setprecision(8) << savedDXYValues[i][j] << '\t' << setprecision(precision) << pValueCounts[i][j]/(float)iters << endl;
+					mothurOutJustToLog(groupNames[i]+"-"+groupNames[j] + "\t" + toString(savedDXYValues[i][j]) + "\t" + toString((pValueCounts[i][j]/(float)iters))); mothurOutEndLine();
+					outSum << setw(20) << left << groupNames[i]+'-'+groupNames[j] << '\t' << setprecision(8) << savedDXYValues[i][j] << '\t' << setprecision(precision) << pValueCounts[i][j]/(float)iters << endl;
+				}
+				else{
+					cout << setw(20) << left << groupNames[i]+'-'+groupNames[j] << '\t' << setprecision(8) << savedDXYValues[i][j] << '\t' << '<' <<setprecision(precision) << 1/(float)iters << endl;
+					mothurOutJustToLog(groupNames[i]+"-"+groupNames[j] + "\t" + toString(savedDXYValues[i][j]) + "\t" + toString((1/(float)iters))); mothurOutEndLine();
+					outSum << setw(20) << left << groupNames[i]+'-'+groupNames[j] << '\t' << setprecision(8) << savedDXYValues[i][j] << '\t' << '<' <<setprecision(precision) << 1/(float)iters << endl;
+				}
+				if(pValueCounts[j][i]){
+					cout << setw(20) << left << groupNames[j]+'-'+groupNames[i] << '\t' << setprecision(8) << savedDXYValues[j][i] << '\t' << setprecision (precision) << pValueCounts[j][i]/(float)iters << endl;
+					mothurOutJustToLog(groupNames[j]+"-"+groupNames[i] + "\t" + toString(savedDXYValues[j][i]) + "\t" + toString((pValueCounts[j][i]/(float)iters))); mothurOutEndLine();
+					outSum << setw(20) << left << groupNames[j]+'-'+groupNames[i] << '\t' << setprecision(8) << savedDXYValues[j][i] << '\t' << setprecision (precision) << pValueCounts[j][i]/(float)iters << endl;
+				}
+				else{
+					cout << setw(20) << left << groupNames[j]+'-'+groupNames[i] << '\t' << setprecision(8) << savedDXYValues[j][i] << '\t' << '<' <<setprecision (precision) << 1/(float)iters << endl;
+					mothurOutJustToLog(groupNames[j]+"-"+groupNames[i] + "\t" + toString(savedDXYValues[j][i]) + "\t" + toString((1/(float)iters))); mothurOutEndLine();
+					outSum << setw(20) << left << groupNames[j]+'-'+groupNames[i] << '\t' << setprecision(8) << savedDXYValues[j][i] << '\t' << '<' <<setprecision (precision) << 1/(float)iters << endl;
 				}
 			}
 		}
-		outSum << endl;
-		
-		//print out delta values
-		for (int i = 0; i < sumDelta.size(); i++) {
-			outSum << setprecision(6) << sumDelta[i] << '\t' << setprecision(globaldata->getIters().length()) << sumDeltaSig[i] << '\t';
-		}
 		
-		outSum << endl;
-	
+		outSum.close();
 	}
 	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function printSummaryFile. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+		errorOut(e, "LibShuffCommand", "printSummaryFile");
 		exit(1);
 	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function printSummaryFile. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}	
 } 
 
 //**********************************************************************************************************************
+
 void LibShuffCommand::setGroups() {
 	try {
 		//if the user has not entered specific groups to analyze then do them all
@@ -255,14 +311,14 @@ void LibShuffCommand::setGroups() {
 			for (int i=0; i < numGroups; i++) { 
 				globaldata->Groups.push_back(globaldata->gGroupmap->namesOfGroups[i]);
 			}
-		}else {
-			if (globaldata->getGroups() != "all") {
+		} else {
+			if (savegroups != "all") {
 				//check that groups are valid
 				for (int i = 0; i < globaldata->Groups.size(); i++) {
 					if (globaldata->gGroupmap->isValidGroup(globaldata->Groups[i]) != true) {
-						cout << globaldata->Groups[i] << " is not a valid group, and will be disregarded." << endl;
+						mothurOut(globaldata->Groups[i] + " is not a valid group, and will be disregarded."); mothurOutEndLine();
 						// erase the invalid group from globaldata->Groups
-						globaldata->Groups.erase (globaldata->Groups.begin()+i);
+						globaldata->Groups.erase(globaldata->Groups.begin()+i);
 					}
 				}
 			
@@ -272,9 +328,9 @@ void LibShuffCommand::setGroups() {
 					for (int i=0; i < numGroups; i++) { 
 						globaldata->Groups.push_back(globaldata->gGroupmap->namesOfGroups[i]);
 					}
-					cout << "When using the groups parameter you must have at least 2 valid groups. I will run the command using all the groups in your groupfile." << endl; 
-				}else { numGroups = globaldata->Groups.size(); }
-			}else { //users wants all groups
+					mothurOut("When using the groups parameter you must have at least 2 valid groups. I will run the command using all the groups in your groupfile."); mothurOutEndLine();
+				} else { numGroups = globaldata->Groups.size(); }
+			} else { //users wants all groups
 				numGroups = globaldata->gGroupmap->getNumGroups();
 				globaldata->Groups.clear();
 				for (int i=0; i < numGroups; i++) { 
@@ -282,41 +338,20 @@ void LibShuffCommand::setGroups() {
 				}
 			}
 		}
+
+		//sort so labels match
+		sort(globaldata->Groups.begin(), globaldata->Groups.end());
 		
-		// number of comparisons i.e. with groups A,B,C = AA, AB, AC, BA, BB, BC...;
-		for (int i=0; i<numGroups; i++) { 
-			for (int l = 0; l < numGroups; l++) {
-				//set group comparison labels
-				groupComb.push_back(globaldata->Groups[i] + "-" + globaldata->Groups[l]);
-			}
-		}
-	}
-	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function setGroups. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function setGroups. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}
-}
-/***********************************************************/
-int LibShuffCommand::findIndex(float score, int index) {
-	try{
-		for (int i = 0; i < rsumDelta[index].size(); i++) {
-			if (rsumDelta[index][i] >= score)	{	return i;	}
-		}
-		return rsumDelta[index].size();
+		//sort
+		sort(globaldata->gGroupmap->namesOfGroups.begin(), globaldata->gGroupmap->namesOfGroups.end());
+
+		groupNames = globaldata->Groups;
+
 	}
 	catch(exception& e) {
-		cout << "Standard Error: " << e.what() << " has occurred in the LibShuffCommand class Function findIndex. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-		exit(1);
-	}
-	catch(...) {
-		cout << "An unknown error has occurred in the LibShuffCommand class function findIndex. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+		errorOut(e, "LibShuffCommand", "setGroups");
 		exit(1);
 	}
 }
 
 /***********************************************************/
-