statsmodels.regression.mixed_linear_model.MixedLM.get_fe_params

MixedLM.get_fe_params(cov_re, vcomp, tol=1e-10)[source]

Use GLS to update the fixed effects parameter estimates.

Parameters:
cov_re : array_like (2d)

The covariance matrix of the random effects.

vcomp : array_like (1d)

The variance components.

tol : float

A tolerance parameter to determine when covariances are singular.

Returns:

  • params (ndarray) – The GLS estimates of the fixed effects parameters.

  • singular (bool) – True if the covariance is singular