def _pairwise_ttest()

in src/alpaca_eval/plotting.py [0:0]

• 10 lines of code
• 4 McCabe index (conditional complexity)

def _pairwise_ttest(df):
    p_values = pd.DataFrame(index=df.columns, columns=df.columns)

    for i in df.columns:
        for j in df.columns:
            if i == j:
                p_values.loc[i, j] = np.nan
            else:
                t_stat, p_val = stats.ttest_rel(df[i], df[j], nan_policy="omit")
                p_values.loc[i, j] = p_val

    return p_values