statsmodels.genmod.cov_struct.Nested.initialize¶
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Nested.
initialize
(model)[source]¶ Called on the first call to update
ilabels is a list of n_i x n_i matrices containing integer labels that correspond to specific correlation parameters. Two elements of ilabels[i] with the same label share identical variance components.
designx is a matrix, with each row containing dummy variables indicating which variance components are associated with the corresponding element of QY.