[R] Error Message from Variogram.lme Example

[Prof Brian Ripley]

So this is most likely a bug in package nlme.  However, we need a 
reproducible example to be able to do anything about it, and without even 
the traceback() we cannot be sure that it is in nlme.

Please follow the bug-reporting procedure.


On Mon, 13 Mar 2006, Rick Bilonick wrote:

> When I try to run the example from Variogram with an lme object, I get
> an error (although summary works):
>
> R : Copyright 2005, The R Foundation for Statistical Computing
> Version 2.2.1  (2005-12-20 r36812)
> ISBN 3-900051-07-0
> ...
>
>>  fm1 <- lme(weight ~ Time * Diet, BodyWeight, ~ Time | Rat)
> Error: couldn't find function "lme"
>>      Variogram(fm1, form = ~ Time | Rat, nint = 10, robust = TRUE)
> Error: couldn't find function "Variogram"
>> library(nlme)
>>  fm1 <- lme(weight ~ Time * Diet, BodyWeight, ~ Time | Rat)
>>      Variogram(fm1, form = ~ Time | Rat, nint = 10, robust = TRUE)
> Error in "$<-.data.frame"(`*tmp*`, "n.pairs", value = c(160, 0, 160,
> 16,  :
>        replacement has 10 rows, data has 9

[...]

>                Information on package 'nlme'
>
> Description:
>
> Package:       nlme
> Version:       3.1-68.1
> Date:          2006-01-05


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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