January,
It looks like you will need an interaction effect, perhaps
g <- lm( response ~ subject + group*time)
Please see the ancova function in the HH package.
install.packages("HH") ## if necessary
library(HH)
?ancova
Rich
On Wed, Aug 10, 2011 at 5:15 AM, January Weiner wrote:
> Hello,
>
Hello,
I have a problem with using the following design with ANCOVA in R.
There are two groups (control + treatment), each with ten subjects.
The subjects show a response that is monitored over time (four time
points). For a single given subject, the response can be analysed with
linear regressio
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