Rows function in nlme package

Hi

The Rows function which is called from plot.compareFits in the nlme

package

is not found.

plot(compareFits(coef(bp.model3),coef(bp.model3M)))

Error in plot.compareFits(compareFits(coef(bp.model3),

coef(bp.model3M))) :

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 ...

    Rows(x, index)

... 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.

Paul


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