[R] lme4 package: Fitted values and residuals

[Renaud Lancelot]

Not quite:

> library(lme4)
> sessionInfo()
R version 2.4.0 (2006-10-03)
i386-pc-mingw32

locale:
LC_COLLATE=French_France.1252;LC_CTYPE=French_France.1252;LC_MONETARY=French_France.1252;LC_NUMERIC=C;LC_TIME=French_France.1252

attached base packages:
[1] "methods"   "stats"     "graphics"  "grDevices" "utils"
"datasets"  "tcltk"     "base"

other attached packages:
      lme4     Matrix    lattice   fortunes       svIO     R2HTML
svMisc   svSocket      svIDE
"0.9975-9" "0.9975-6"  "0.14-13"    "1.3-2"    "0.9-5"     "1.58"
"0.9-5"    "0.9-5"    "0.9-5"
> example(cbpp)

cbpp> (m1 <- lmer(cbind(incidence, size - incidence) ~ period +
    (1 | herd), family = binomial, data = cbpp))
[snip]
> head(fitted(m1))
[1] -0.803955 -1.807372 -1.945307 -2.388617 -1.692780 -2.696197
> head(resid(m1))
Erreur : 'resid' n'est pas encore implémenté
[snip]

Best,

Renaud




2006/11/18, Joel Dubin <jdubin at uwaterloo.ca>:
> Thank you, Martin, for pointing this out (not to mention the missing
> sessionInfo() piece).  Indeed the resid() call works as expected with
> the most recent update of lme4.
>
> Cheers, Joel.
>
>
> Martin Maechler wrote:
> >>>>>> "Joel" == Joel Dubin <jdubin at uwaterloo.ca>
> >>>>>>     on Fri, 17 Nov 2006 16:19:16 -0500 writes:
> >>>>>>
> >
> >     Joel> Hello, Indeed, implementing the fitted and resid calls
> >     Joel> on the fm1 object from example(lmer), the fitted
> >     Joel> function worked, but the resid did not:
> >
> >     >> resid(fm1)
> >     Joel> Error in resid(fm1) : no slot of name "family" for
> >     Joel> this object of class "lmer"
> >
> >     Joel> I am using R 2.4.0 (on Windows XP), with the update of
> >     Joel> lme4 (lmer within) written for 2.4.0.
> >
> > I think you should update lme4 [ update.packages(.....) ],
> > since the above looks suspiciously like a bug that had been
> > fixed not so long ago.
> >
> > IIRC, the posting guide asks you to provide  sessionInfo()
> > in such situations.
> >
> > Regards,
> > Martin
> >
>


-- 
Renaud LANCELOT
Département Elevage et Médecine Vétérinaire (EMVT) du CIRAD
Directeur adjoint chargé des affaires scientifiques

CIRAD, Animal Production and Veterinary Medicine Department
Deputy director for scientific affairs

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