[R] Incorrect number of dimensions

[Uwe Ligges]

Sarah wrote:
> I am trying to fit a linear model with seasonal effects but keep getting
> 'Incorrect number of dimensions'.  I have no idea what this means or how to
> fix it.  I am following instructions received from an instructor and it
> worked for him, so I assume it has something to do with my data.  Here is my
> code:
> 
> sed<-ts(data2[,-c(1,2)],start=c(1967,10),end=c(2007,9),freq=12)
> ym<-time(sed)
> month<-as.factor(sed[,"Period"])
>   Error in `[.default`(sed, , "Period") : incorrect number of dimensions
> 
> So I am getting the error when I try to designate month as a factor.
> 
> Help!


If you guess is it has something to do with your data, it might make 
sense to show them so that we can tell you if that is true or not...
By the way, the posting guide asks you to send reproducible code anyway.

Uwe Ligges