[R] [R]: Trellis plot

[E. Corda]

Hello everybody,

I have found the solution to my problem. Instead of writing
> plot(mydata, outer = ~ treatment)

I should write 
> plot(mydata, outer = ~ mydata$treatment)


>"E. Corda" <e.corda at oncfs.gouv.fr> writes:
>
>> I would be grateful if anyone could help me with the following. I am using
>> nlme library and I am trying to do a trellis plot with an outer factor, but
>> I have an error message which I can't understand.
>> 
>> Here is the code :
>> 
>> > mydata <- groupedData(y ~ x | warren/rabbit, outer= ~ treatment,
>> data=mydata)
>> > plot(mydata)
>> # I obtain a plot with all rabbits displayed individually and no outer
factor.
>> > plot(mydata, outer = ~ treatment)
>> Error in order(na.last, decreasing, ...) : 
>>         Argument lengths differ
>> 
>> I use R 1.5.1 with Windows 2000.
>
>Could you upgrade to R-1.6.2 and try again?  There were a lot of
>changes to the nlme package since R version 1.5.1.  I'm not sure if
>this specific problem was fixed but it may have been.
>
>
Eve CORDA 
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