statsmodels.stats.nonparametric.rankdata_2samp¶ statsmodels.stats.nonparametric.rankdata_2samp(x1, x2)[source]¶ Compute midranks for two samples Parameters:¶ x1 : array_like¶Original data for two samples that will be converted to midranks. x2 : array_like¶Original data for two samples that will be converted to midranks. Returns:¶ rank1 (ndarray) – Midranks of the first sample in the pooled sample. rank2 (ndarray) – Midranks of the second sample in the pooled sample. ranki1 (ndarray) – Internal midranks of the first sample. ranki2 (ndarray) – Internal midranks of the second sample.