[R] error in plot.lmList

From: <Arne.Muller_at_sanofi-aventis.com>
Date: Fri 13 May 2005 - 21:07:25 EST


Hello,

in R-2.1.0 I'm trying to prodice trellis plots from an lmList object as described in the help for plot.lmList. I can generate the plots from the help, but on my own data plotting fails with an error message that I cannot interpret (please see below). Any hints are greatly appreciapted.

        kind regards,

        Arne

> dim(d)

[1] 575 4
> d[1:3,]

  Level_of_Expression SSPos1 SSPos19 Method

1                11.9      G       A   bDNA
2                24.7      T       T   bDNA
3                 9.8      C       T   bDNA

> fm <- lmList(Level_of_Expression ~ SSPos1 + SSPos19 | Method, data=d)
> fm

Call:
  Model: Level_of_Expression ~ SSPos1 + SSPos19 | Method    Data: d

Coefficients:

           (Intercept)   SSPos1C    SSPos1G   SSPos1T SSPos19C SSPos19G   SSPos19T
bDNA          25.75211 -6.379701  -9.193304 10.371056 24.32171 24.06107  9.7357724
Luciferase    23.79947  4.905679  -7.747861  8.112779 48.95151 48.15064 -0.2646783
RT-PCR        56.08985 -7.352206 -15.896556 -2.712313 19.91967 24.28425 -2.2317071
Western       14.03876  2.777038 -14.113157 -7.804959 24.62684 25.50382  8.3864782

Degrees of freedom: 575 total; 547 residual Residual standard error: 25.39981
> plot(fm, Level_of_Expression ~ fitted(.))
Error in plot.lmList(fm, Level_of_Expression ~ fitted(.)) :

        Object "cF" not found

what is object cF ...?



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