if N denotes the total number of overlapping participants and ${N{i},N{j}}$ denote the numbers of participants in the $i$'th and $j$'th studies respectively, then $N/\left(N{i}N{j}\right)$ is the $(i,j)=(j,i)$ element.
Apologies if I misunderstand this, but shouldn't the denominator include a square root? i.e.
... then $N/ \sqrt{ \left(N{i}N{j}\right)}$ is ...
The vignette includes the following sentence:
Apologies if I misunderstand this, but shouldn't the denominator include a square root? i.e.
Thanks.