[R] Any refit function available for 'car' package?

Gang Chen gangchen6 at gmail.com
Mon Jun 16 19:56:41 CEST 2014

Suppose that I need to run a multivariate linear model

Y = X B + E

many times with the same model matrix X but each time with different
response matrix Y. Is there a function available in 'car' package
similar to refit() in lme4 package so that the model matrix X would
not be reassembled each time? Also, runtime can be saved without
repeatedly performing the same matrix computations such as


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