if (shared[1]->getAbundance(i) != 0) { nonZeroB++; }
}
- double numTerm1 = 0.0;
- double numTerm2 = 0.0;
+ double numTerm = 0.0;
double denomTerm1 = 0.0;
double denomTerm2 = 0.0;
+ double averageA = nonZeroA / (float) numOTUS;
+ double averageB = nonZeroB / (float) numOTUS;
for (int i = 0; i < shared[0]->getNumBins(); i++) {
int Aij = shared[0]->getAbundance(i);
if (Aij > 0) { Aij = 1; }
if (Bij > 0) { Bij = 1; }
- numTerm1 += (Aij - (nonZeroA / (float) numOTUS));
- numTerm2 += (Bij - (nonZeroB / (float) numOTUS));
-
- denomTerm1 += ((Aij - (nonZeroA / (float) numOTUS)) * (Aij - (nonZeroA / (float) numOTUS)));
- denomTerm2 += ((Bij - (nonZeroB / (float) numOTUS)) * (Bij - (nonZeroB / (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;
if (denom != 0) {
- data[0] = 1.0 - (numerator / denom);
+ data[0] = 1.0 - (numTerm / denom);
}else {
data[0] = 1.0;
}