[R] NLME 3 (R version) again!

Anthony Lacey a.lacey at man.ac.uk
Mon Jul 31 13:42:45 CEST 2000


Well after trying to fix the assign commands in version 3.1.7 of your nlme package
I still cannot get the plot functions to work.  Basically I have no other packages installed (apart from those provided with R) so nlme is the first.

my R version info is;

platform sparc-sun-solaris2.7
arch     sparc               
os       solaris2.7          
system   sparc, solaris2.7   
major    1                   
minor    1.0                 
year     2000                
month    June                
day      15                  
language R   

I have downloaded nlme version 3_1.7 from the CRAN site.

I have been trying the example code from the plot.gls command. However, the plotcommand fails because the assigns use where instead of envir.  So I changed these and still recieved and error telling me that envir was being misused. From what I could see the envir were being used in default mode so I simply removed them.  Now when I run the code I get the following;

Loading required package: nls 
> data(Ovary)
> fm1 <- gls(follicles ~ sin(2*pi*Time) + cos(2*pi*Time), Ovary,
+            correlation = corAR1(form = ~ 1 | Mare))
> plot(fm1, resid(., type = "p") ~ fitted(.) | Mare, abline = 0)


(and a very blank graph screen).

Also if I run the following (plot.variogram example) I get the following;

> data(Ovary)
> fm1 <- lme(follicles ~ sin(2*pi*Time) + cos(2*pi*Time), Ovary)
> plot(Variogram(fm1, form = ~ Time | Mare, maxDist = 0.7))
Error in FUN(X[[1]], ...) : couldn't find function "dist"

Has anybody got this code to work.  I suspect looking at the code and the calls to bwplot and xyplot (all of which are S-plus) that not all this code has been converted.  I am new to R and thus am I being niave to expect all the code (particularly the plotting routines) to work with R?

Many thanks for any help.

Dr. Tony Lacey (PhD) - Imaging Science & Bio-medical Engineering, University 
of Manchester, Stopford Building, Oxford Rd., Manchester. UK. M13 9PT 
[+44 (0)161 275 7669]  a.lacey at man.ac.uk  http://www.niac.man.ac.uk/~ajl/
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