[BioC] gls from nlme package not compatible with methods package
Douglas Bates
bates@stat.wisc.edu
13 Jan 2003 10:14:22 -0600
James Wettenhall <wettenhall@wehi.edu.au> writes:
> Dear Bioconductor,
>
> I am trying to develop a Bioconductor-style package for fitting
> linear models to microarray data, to be used with marrayNorm,
> marrayInput etc.
>
> I want to use the function gls (generalized least squares) from
> the nlme package. But it doesn't seem to be compatible with the
> methods package. Any suggestions?
...
> > out <- gls(y~x)
> > library(methods)
> > out <- gls(y~x)
> Error in getClass(Class) : "glsStruct" is not a defined class
What version of R and what version of the nlme package?
Please send the result of R.version and the first few lines of
library(help=nlme). It should look like
> R.version
_
platform i386-pc-linux-gnu
arch i386
os linux-gnu
system i386, linux-gnu
status
major 1
minor 6.2
year 2003
month 01
day 10
language R
> library(help=nlme)
nlme Linear and nonlinear mixed effects models
Description:
Package: nlme
Version: 3.1-36
Date: 2002-12-28
Priority: recommended
Title: Linear and nonlinear mixed effects models
Also, it would help to send the results of running traceback()
immediately after you get the error message.