[R] Rows function in nlme package
p.murrell at auckland.ac.nz
Wed Oct 24 00:11:32 CEST 2001
> > The Rows function which is called from plot.compareFits in the nlme
> > is not found.
> > > plot(compareFits(coef(bp.model3),coef(bp.model3M)))
> > Error in plot.compareFits(compareFits(coef(bp.model3),
> > couldn't find function "Rows"
> > >
> > Can I find it elswhere? Have I missed a required package?
> After further hunting I realise this is probably part of the "Trellis"
> package that is seem being brewed.
It does appear that Rows() is part of Trellis in S-Plus (given that the
example for rows is a Trellis-related example), which means that you have
probably correctly guessed why it is not in R (because it is not in the
lattice package which we are "brewing").
OTOH, Rows() does not seem like a very hard function to replicate. It would
appear that ...
... is basically just doing ...
lapply(x, "[", index)
... so you could fix the code yourself if you feel keen. In the longer
term, a fix will need changes to either nlme or lattice, at least one of
which will hopefully occur by the end of the year.
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