I'm fitting a regression model for censored data with three categorical
predictors, say A, B, C.  My final model based on the survreg function is 

Surv(..) ~ A*(B+C).

I know the three-way group mean estimates can be computed using the predict
function. But is there any way to obtain two-way group mean estimates, say
estimated group mean for (A1, B1)-group?  The sample group means don't
incorporate censoring and thus may not be appropriate here.

 

Pang Du

Virginia Tech


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