Dear R-helpers,
I am working with 'cph' models from 'rms' library. When I build simple
survival models, based on 'Surv(time, event)', everything is fine and I
can make nice plots using plot(Predict(f, time=3)).
However, recently I tried to be more specific and used 'Surv(start,
stop, event)' type model. Using this model 'plot(Predict(f))' works OK,
but 'plot(Predict(f, time=3))' throws an error:
"Error in summary.survfit(g, print.it = FALSE, times = times) :
object 'n.enter' not found"
Actually, using 'survest(f, time=3)' has the same result.
Has anybody encountered this kind of error? Is there a workaround?
Best regards,
--
Michal J. Figurski, PhD
HUP, Pathology & Laboratory Medicine
Biomarker Research Laboratory
3400 Spruce St. 7 Maloney
Philadelphia, PA 19104
tel. (215) 662-3413
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