statsmodels.sandbox.stats.runs.median_test_ksample¶
-
statsmodels.sandbox.stats.runs.
median_test_ksample
(x, groups)[source]¶ chisquare test for equality of median/location
This tests whether all groups have the same fraction of observations above the median.
- Parameters
- xarray_like
data values stacked for all groups
- groupsarray_like
group labels or indicator
- Returns
- statfloat
test statistic
- pvaluefloat
pvalue from the chisquare distribution
- others ????
currently some test output, table and expected