+++ /dev/null
-/*
- * chao1.cpp
- * Dotur
- *
- * Created by Sarah Westcott on 1/7/09.
- * Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
- *
- */
-
-#include "chao1.h"
-
-/***********************************************************************/
-EstOutput Chao1::getValues(SAbundVector* rank){
- try {
- data.resize(3,0);
-
- double sobs = (double)rank->getNumBins();
-
- //this is a modification do to a vector fill error that occurs when an empty sharedRabund creates a sabund
- //in that case there is no 1 0r 2.
- double singles;
- if (rank->size() > 1) {
- singles = (double)rank->get(1);
- }else{ singles = 0.0; }
-
- double doubles;
- if (rank->size() > 2) {
- doubles = (double)rank->get(2);
- }else{ doubles = 0.0; }
-
- double chaovar = 0.0000;
-//cout << "singles = " << singles << " doubles = " << doubles << " sobs = " << sobs << endl;
- double chao = sobs + singles*(singles-1)/(2*(doubles+1));
-
- if(singles > 0 && doubles > 0){
- chaovar = singles*(singles-1)/(2*(doubles+1))
- + singles*pow(2*singles-1, 2)/(4*pow(doubles+1,2))
- + pow(singles, 2)*doubles*pow(singles-1, 2)/(4*pow(doubles+1,4));
- }
- else if(singles > 0 && doubles == 0){
- chaovar = singles*(singles-1)/2 + singles*pow(2*singles-1, 2)/4 - pow(singles, 4)/(4*chao);
- }
- else if(singles == 0){
- chaovar = sobs*exp(-1*rank->getNumSeqs()/sobs)*(1-exp(-1*rank->getNumSeqs()/sobs));
- }
-
- double chaohci, chaolci;
-
- if(singles>0){
- double denom = pow(chao-sobs,2);
- double c = exp(1.96*pow((log(1+chaovar/denom)),0.5));
- chaolci = sobs+(chao-sobs)/c;//chao lci
- chaohci = sobs+(chao-sobs)*c;//chao hci
- }
- else{
- double p = exp(-1*rank->getNumSeqs()/sobs);
- chaolci = sobs/(1-p)-1.96*pow(sobs*p/(1-p), 0.5);
- chaohci = sobs/(1-p)+1.96*pow(sobs*p/(1-p), 0.5);
- if(chaolci < sobs){ chaolci = sobs; }
- }
-
- data[0] = chao;
- data[1] = chaolci;
- data[2] = chaohci;
-
- 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, "Chao1", "getValues");
- exit(1);
- }
-}
-
-/***********************************************************************/