lmerTest: get_model_matrix – R documentation

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get_model_matrix

Extract or remake model matrix from model

Extract or remake model matrix from model and potentially change the contrast coding

get_model_matrix(model, type = c("extract", "remake"), contrasts = "restore")

`model`	an `lm` or `lmerMod` model object.
`type`	extract or remake model matrix?
`contrasts`	contrasts settings. These may be restored to those in the model or they may be changed. If a length one character vector (e.g. `"contr.SAS"`) this is applied to all factors in the model, but it can also be a list naming factors for which the contrasts should be set as specified.

the model (or 'design') matrix.

Rune Haubo B Christensen

Tests in Linear Mixed Effects Models

v3.1-3

GPL (>= 2)

Authors

Alexandra Kuznetsova [aut], Per Bruun Brockhoff [aut, ths], Rune Haubo Bojesen Christensen [aut, cre], Sofie Pødenphant Jensen [ctb]

Initial release