+++ /dev/null
-/*
- * geom.cpp
- * Mothur
- *
- * Created by Thomas Ryabin on 2/23/09.
- * Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
- *
- */
-
-#include "geom.h"
-
-/***********************************************************************/
-
-double Geom::kEq(double k, double spec){
- return k/(1-k)*pow(1-k, spec)/(1-pow(1-k, spec));
-}
-
-RAbundVector Geom::getRAbundVector(SAbundVector* rank){
- vector <int> rData;
- int mr = 1;
- int nb = 0;
- int ns = 0;
-
- for(int i = rank->size()-1; i > 0; i--) {
- int cur = rank->get(i);
- if(mr == 1 && cur > 0)
- mr = i;
- nb += cur;
- ns += i*cur;
- for(int j = 0; j < cur; j++)
- rData.push_back(i);
- }
-
- RAbundVector rav = RAbundVector(rData, mr, nb, ns);
- rav.setLabel(rank->getLabel());
- return rav;
-}
-
-/***********************************************************************************/
-
-/***********************************************************************************/
-EstOutput Geom::getValues(SAbundVector* rank){
- try {
- data.resize(3,0);
-
- rdata = getRAbundVector(rank);
- double numInd = rdata.getNumSeqs();
- double numSpec = rdata.getNumBins();
- double min = rdata.get(rdata.size()-1);
- double k = .5;
- double step = .49999;
-
- while(fabs(min - numInd*kEq(k, (double)numSpec)) > .0001) { //This uses a binary search to find the value of k.
- if(numInd*kEq(k, numSpec) > min)
- k += step;
- else
- k -= step;
- step /= 2;
- }
-
- double cK = 1/(1-pow(1-k, numSpec));
- double sumExp = 0;
- double sumObs = 0;
- double maxDiff = 0;
-
- for(int i = 0; i < numSpec; i++)
- {
- sumObs += rdata.get(i);
- sumExp += numInd*cK*k*pow(1-k, i);
-
- double diff = fabs(sumObs-sumExp);
- if(diff > maxDiff) { maxDiff = diff; }
-
- }
-
-
- data[0] = maxDiff/numInd;
- data[1] = 0.886/sqrt(numSpec);
- data[2] = 1.031/sqrt(numSpec);
-
-
- if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }
- if (isnan(data[1]) || isinf(data[1])) { data[1] = 0; }
- if (isnan(data[2]) || isinf(data[2])) { data[2] = 0; }
-
- return data;
- }
- catch(exception& e) {
- m->errorOut(e, "Geom", "getValues");
- exit(1);
- }
-}
-
-/***********************************************************************/
-
-
-
-
-
-
-