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Justify Fisher's Formula

Open OmarShehata opened this issue 7 years ago • 0 comments

The article never explains why Fisher's formula has a denominator of (S1 + S2) as opposed to, say (S1 * S2). This is something I haven't been able to figure out, but some more explanation of how to arrive at that as opposed to other forms would be helpful.

OmarShehata avatar Dec 05 '18 23:12 OmarShehata