try {
data.resize(1,0);
- double sumA = 0.0;
- double sumB = 0.0;
int numOTUS = shared[0]->getNumBins();
+ double averageA = shared[0]->getNumSeqs() / (float) numOTUS;
+ double averageB = shared[1]->getNumSeqs() / (float) numOTUS;
- for (int i = 0; i < shared[0]->getNumBins(); i++) {
- sumA += shared[0]->getAbundance(i);
- sumB += shared[1]->getAbundance(i);
- }
-
- double numTerm1 = 0.0;
- double numTerm2 = 0.0;
+ double numTerm = 0.0;
double denomTerm1 = 0.0;
double denomTerm2 = 0.0;
int Aij = shared[0]->getAbundance(i);
int Bij = shared[1]->getAbundance(i);
- numTerm1 += (Aij - (sumA / (float) numOTUS));
- numTerm2 += (Bij - (sumB / (float) numOTUS));
- denomTerm1 += ((Aij - (sumA / (float) numOTUS)) * (Aij - (sumA / (float) numOTUS)));
- denomTerm2 += ((Bij - (sumB / (float) numOTUS)) * (Bij - (sumB / (float) numOTUS)));
+ numTerm += ((Aij - averageA) * (Bij - averageB));
+ denomTerm1 += ((Aij - averageA) * (Aij - averageA));
+ denomTerm2 += ((Bij - averageB) * (Bij - averageB));
}
denomTerm1 = sqrt(denomTerm1);
denomTerm2 = sqrt(denomTerm2);
double denom = denomTerm1 * denomTerm2;
- double numerator = numTerm1 * numTerm2;
- data[0] = 1.0 - (numerator / denom);
+ data[0] = (numTerm / denom);
if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }