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:¶
- res
HolderTuple
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.
- res
Last update:
Oct 29, 2024