Chi-Square test
Perform an independence test on discrete variables using Chi-Square test.
Usage
from causallearn.utils.cit import chisq
p = chisq(data, X, Y, conditioning_set)
Parameters
data: numpy.ndarray, shape (n_samples, n_features). Data, where n_samples is the number of samples and n_features is the number of features.
X, Y and condition_set: column indices of data.
- G_sq: True means using G-Square test;
False means using Chi-Square test.
Returns
p: the p-value of the test.