statsmodels.stats.oneway._power_equivalence_oneway_emp¶
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statsmodels.stats.oneway._power_equivalence_oneway_emp(f_stat, n_groups, nobs, eps, df, alpha=
0.05)[source]¶ Empirical power of oneway equivalence test
This only returns post-hoc, empirical power.
Warning: eps is currently effect size margin as defined as in Wellek, and not the signal to noise ratio (Cohen’s f family).
- Parameters:¶
- f_stat : float¶
F-statistic from oneway anova, used to compute empirical effect size
- n_groups : int¶
Number of groups in oneway comparison.
- nobs : ndarray¶
Array of number of observations in groups.
- eps : float¶
Equivalence margin in terms of effect size given by Wellek’s psi.
- df : tuple¶
Degrees of freedom for F distribution.
- alpha : float in (0, 1)¶
Significance level for the hypothesis test.
- Returns:¶
pow – Ex-post, post-hoc or empirical power at f-statistic of the equivalence test.
- Return type:¶