Re: [R] Help with improveProb function in Hmisc in R

2015-10-02 Thread Frank Harrell
Please note that Kirsten is cross-posting to stats.stackexchange.com creating extra work for everyone. -- Frank E Harrell Jr Professor and Chairman School of Medicine Department of *Biostatistics*

[R] Help with improveProb function in Hmisc in R

2015-10-01 Thread kirsada
have the PredRisks for both models - PredRisk1 and PredRisk2, and my outcome is disease 0/1. How do I define this in R in order to run improveProb(x1, x2, y)? Many thanks in advance -- View this message in context: http://r.789695.n4.nabble.com/Help-with-improveProb-function-in-Hmisc-in-R

Re: [R] Help with improveProb function in Hmisc in R

2015-10-01 Thread David Winsemius
On Oct 1, 2015, at 2:26 AM, kirsada wrote: > Please bear with me, I am very new to R. > > My question is regarding the use of the improveProb function in the Hmisc > package. I have two logistic models, the only difference being that the > second model contains my novel marker of interest. I am