Method getFPR

src/rnabloom/bloom/BloomFilter.java:184–194

()

    }
    
    @Override
    public float getFPR() {
        /* (1 - e(-kn/m))^k
        k = num hash
        m = size
        n = pop count
        */
        
        popcount = bitArray.popCount();
        return (float) pow((double)(popcount) / (double)(size), numHash);
    }

    public static long getExpectedSize(long expNumElements, float fpr, int numHash) {
        double r = (double) (-numHash) / log(1 - exp(log(fpr) / (double) numHash));