# statsmodels.stats.meta_analysis.CombineResults.test_homogeneity¶

CombineResults.test_homogeneity()[source]

Test whether the means of all samples are the same

currently no options, test uses chisquare distribution default might change depending on use_t

Returns
resHolderTuple instance

The results include the following attributes:

• statisticfloat

Test statistic, q in meta-analysis, this is the pearson_chi2 statistic for the fixed effects model.

• pvaluefloat

P-value based on chisquare distribution.

• dffloat

Degrees of freedom, equal to number of studies or samples minus 1.