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stime
2011 Mar 07
0
survest() for cph() in Design package
...ditional logistic model on a nested case-control
study using cph() and then estimate survival based on the model. The data came
from Prof Bryan Langholz website where he also has the SAS code to this, so I am
trying to replicate the SAS results.
The data attached. Basically, the variables are:
rstime: risk set age
rsentry: fake entry time, just before rstime
setno: risk set identifier
cc: lung cancer death (0/1)
cr500: independent variable 1 (0/1), cumulative radon > 500WLM
smoke25: independent variable 2 (0/1), 1/2+ pack/dat at age 25
logw: weight to be used as an offset in the model
rstime...