Hi,
This is more of a general question than a pure R one, but I hope that is OK.
I want to combine one-tailed independent p-values using the weighted version
of fisher's inverse chi-square method. The unweighted version is pretty
straightforward to implement. If x is a vector with p-values, then I guess
that this will do for the unweighted version:
statistic <- -2*sum(log(x))
comb.p <- 1-pchisq(statistic,2*length(x))
Has anyone written some R code for the weighted version?
Regards,
Anders Cederfeldt
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