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jtprince/fisher_combine_pvals.py

Created December 11, 2014 23:11
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fisher_combine_pvals.py
import scipy.stats as sts
from math import log
def fisher_combine_p_values(pvalues):
degrees_freedom = 2*len(pvalues)
summed = sum(-2*log(pval) for pval in pvalues)
return 1.0 - sts.chi2.cdf(summed, degrees_freedom)
#print(fisher_combine_p_values( [0.05, 0.05] ))
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