+++ /dev/null
-/*
- * npshannon.cpp
- * Dotur
- *
- * Created by John Westcott on 1/7/09.
- * Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
- *
- */
-
-#include "npshannon.h"
-
-/***********************************************************************/
-
-
-EstOutput NPShannon::getValues(SAbundVector* rank){
- try {
- data.resize(1,0);
- float npShannon = 0.0000;
-
- double maxRank = (double)rank->getMaxRank();
- double sampled = rank->getNumSeqs();
-
- double Chat = 1.0000 - (double)rank->get(1)/(double)sampled;
-
- if(Chat>0) {
- for(int i=1;i<=maxRank;i++){
- double pi = ((double) i)/((double)sampled);
- double ChatPi = Chat*pi;
- if(ChatPi>0){
- npShannon += rank->get(i) * ChatPi*log(ChatPi)/(1-pow(1-ChatPi,(double)sampled));
- }
- }
- npShannon = -npShannon;
- }
- else{
- npShannon = 0.000;
- }
-
- data[0] = npShannon;
-
- if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }
-
- return data;
- }
- catch(exception& e) {
- m->errorOut(e, "NPShannon", "getValues");
- exit(1);
- }
-}
-
-/***********************************************************************/