[R-sig-ME] More naive questions: Speed comparisons? what is a "stack imbalance" in lmer? does lmer center variables?

Emmanuel Charpentier emm.charpentier at free.fr
Thu Sep 24 00:51:09 CEST 2009

Le mercredi 23 septembre 2009 à 14:19 -0700, Adam D. I. Kramer a écrit :
> Dear collagues,
>  	Questions of speed, especially comparative speed between R and some
> proprietary program, come up with some frequency.  Perhaps we should add a
> FAQ that covers this?  Here is my first attempt at such a contribution.
> Section: R Speed. I have {heard,seen,shown} that R is {a bit,a lot,eons}
> faster than [other program].  Is this true?
    +------- Didn't you mean "slower" (as implied by your proposed
answers) ? If so, nice lapsus calami... You barely miss a fortunes()
nomination (I already posted one tonight on this very list...:-).

[ Snip (bandwidth savings) of a proposal that seems sound to me ... ]

					Emmanuel Charpentier

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