Combine Z-scores using Stouffer's method

Stouffer's Z-score method is a meta-analysis technique used to combine the results from independent statistical tests with the same hypothesis. It is closely related to Fisher's method, but operates on Z-scores instead of p-values (Wikipedia article).

Usage

stoufferZMethod(z)

Arguments

z

a numeric vector of Z-score to combine.

Value

a number giving combined Z-score.