[R] Nomograms from rms' fastbw output objects

From: Rob James <aetiologic_at_gmail.com>
Date: Thu, 28 Apr 2011 14:33:15 -0700


There is both a technical and a theoretical element to my question... Should I be able to use the outputs which arise from the fastbw function as inputs to nomogram(). I seem to be failing at this, -- I obtain a subscript out of range error.

That I can't do this may speak to technical failings, but I suspect it is because Prof Harrell thinks/knows it injudicious. However, I can't invent a reason why nomograms should be restricted to the full models, if the purpose of fastbw is to generate parsimonious models with appropriate standard errors.

I'd welcome comments on either the technical or the theoretical issues.

Many thanks in advance,

Rob James



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