[R-sig-ME] Speeding up lmer when updating for nested comparisons

[Mike Lawrence]

I often find myself comparing nested lmer models like:

    m1 = lmer(
        dv ~ (1|R) + V1 + V2
    )
    m2 = lmer(
        dv ~ (1|R) + V1 + V2  + V1:V2
    )

Now, I wonder if there is a way to speed up computation of the second
call to lmer by using the results from the first call as starting
values in some way. Thoughts?

Mike

--
Mike Lawrence
Graduate Student
Department of Psychology
Dalhousie University

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~ Certainty is folly... I think. ~