Apply the inverse normal method (Hedges and Olkin, 1985). For each data set, combine the Z-scores or Z-tests and divide them by the square root of the sample size of the data set.
Vector of integer variables containing the indices of data sets.
List of numeric vectors representing Z-tests or Z-scores.
Vector of combined Z-tests.
This function is not called by the user directly.
L. V. Hedges and I. Olkin. Statistical Methods for Meta-Analysis. Academic Press,January 1985. ISBN 0123363802.