On 3/8/2008 3:05 PM, Dale Steele wrote:
> Thanks to those who have replied to my original query. However, I'm
> still confused on how obtain estimates, standard error and F-tests for
> main effect and interaction contrasts which agree with the SAS code
> with output appended below.
>
> for exampl
Thanks to those who have replied to my original query. However, I'm
still confused on how obtain estimates, standard error and F-tests for
main effect and interaction contrasts which agree with the SAS code
with output appended below.
for example,
## Given the dataset (from Montgomery)
twoway <-
Dale,
You might find it fruitful to look at the help pages for fit.contrast
() and estimble() functions in the gmodels package, and the contrast
() functions in the Hmisc package.
-Greg
On Mar 7, 2008, at 4:20PM , Thompson, David ((MNR)) wrote:
> Dale,
>
> Other than the first SAS contras
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