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statsmodels.regression.mixed_linear_model.MixedLM.get_scale

MixedLM.get_scale(fe_params, cov_re)[source]

Returns the estimated error variance based on given estimates of the slopes and random effects covariance matrix.

Parameters:

fe_params : array-like

The regression slope estimates

cov_re : 2d array

Estimate of the random effects covariance matrix (Psi).

Returns:

scale : float

The estimated error variance.

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