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chi2_independence_py

scirs2::stats::functions_4

Function chi2_independence_py 

Source 
pub fn chi2_independence_py(
    py: Python<'_>,
    observed: &Bound<'_, PyArray2<i64>>,
) -> PyResult<Py<PyAny>>
Expand description

Chi-square test for independence (contingency table).

Tests whether two categorical variables are independent using a contingency table of observed frequencies.

Parameters: observed: 2D array of observed frequencies (contingency table)

Returns: Dictionary with ‘statistic’, ‘pvalue’, ‘df’, and ‘expected’