Assess independence for nominal factors.
Assessment of independence between rows and columns using
chi^2 testing. The rows and columns are treated as nominal
(unordered) categorical variables.
- Returns
A
bunch
containing
the
following
attributes:
- statistic
float
The chi^2 test statistic.
- df
int
The degrees of freedom of the reference distribution
- pvalue
float
The p-value for the test.