If I use the following
newdata=data.frame(chemo1=0,
horm1=0,
age1=mean(age1),
grade1=0,
positive1=1,
size1=mean(size1) )
then I get
Error in model.frame.default(Terms, newdata, ...) :
variable lengths differ (found for 'log(tstop + 1)')
In addition: Warning message:
'newdata' had 1 rows but variable(s) found have 289205 rows
and
that is why I used "rep" to create the profile of a hypothetical subject I want
to see.. I've
seen the help and the web and the syntax for a hypothetical subject is
indeed as you mentioned, but it is not working (or am I making a
mistake?). Once you declare newdata as the above then newdata is
only a row which will conflict with the dimensions of out1. Am I not
right?
But when I use the rep function to create 289205 zeros for chemo1 horm1 and so
on I get an out of memory error.
I use Windows XP professional.
Thanx for your answer David.
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