5 * Created by westcott on 12/15/10.
6 * Copyright 2010 Schloss Lab. All rights reserved.
10 #include "structpearson.h"
12 /***********************************************************************/
13 EstOutput StructPearson::getValues(vector<SharedRAbundVector*> shared) {
19 int numOTUS = shared[0]->getNumBins();
21 for (int i = 0; i < shared[0]->getNumBins(); i++) {
22 sumA += shared[0]->getAbundance(i);
23 sumB += shared[1]->getAbundance(i);
26 double numTerm1 = 0.0;
27 double numTerm2 = 0.0;
28 double denomTerm1 = 0.0;
29 double denomTerm2 = 0.0;
31 for (int i = 0; i < shared[0]->getNumBins(); i++) {
32 int Aij = shared[0]->getAbundance(i);
33 int Bij = shared[1]->getAbundance(i);
35 numTerm1 += (Aij - (sumA / (float) numOTUS));
36 numTerm2 += (Bij - (sumB / (float) numOTUS));
38 denomTerm1 += ((Aij - (sumA / (float) numOTUS)) * (Aij - (sumA / (float) numOTUS)));
39 denomTerm2 += ((Bij - (sumB / (float) numOTUS)) * (Bij - (sumB / (float) numOTUS)));
42 denomTerm1 = sqrt(denomTerm1);
43 denomTerm2 = sqrt(denomTerm2);
45 double denom = denomTerm1 * denomTerm2;
46 double numerator = numTerm1 * numTerm2;
48 data[0] = 1.0 - (numerator / denom);
50 if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }
55 m->errorOut(e, "StructPearson", "getValues");
59 /***********************************************************************/