Yu, Changhong wrote:
Dear all,
I used cph() function from Frank harrell's Design package to create a
survival model, then used functions 'Function' and 'sascode' to generate
prediction equation based on the saved survival model. But it failed. I
included a stratified variable in the model. If I removed the
stratification, they were working well. Does that mean that function
'Function' doesn't accept a stratified model?
It is supposed to work for that case. Please send trivial example code
with data defined in the code that replicates the problem you are
seeing, and I'll debug.
Frank
Any thoughts on this will be appreciated. Thanks.
Changhong
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