helper function to compute shrinkage factor for a case/control trait

helper function to compute shrinkage factor for a case/control trait

Var.data.cc(f, N, s)

Arguments

f	a vector of length $i$ of minor allele frequencies in controls matching the order of p
N	a scalar or vector (of length $i$) of the total number of samples included in association test
s	a scalar or vector (of length $i$) of the proportion of cases for each test.

Value

a vector of shrinkage factors