AutoSelectLRM {ModelGood} | R Documentation |
Wrapper for automated backward elemination for logistic regression
AutoSelectLRM(formula, data, ...)
formula |
passed to lrm |
data |
passed to lrm |
... |
passed to fastbw |
First run backward elemination via fastbw from the rms package, then fit the logistic regression model including the selected variables
object of class AutoSelectLRM
Thomas A. Gerds <tag@biostat.ku.dk>
fastbw lrm
library(rms) set.seed(7) x <- abs(rnorm(20)) d <- data.frame(y=rbinom(20,1,x/max(x)),x=x,z=rnorm(20)) fbw <- AutoSelectLRM(y~x+z,d) predictStatusProb(fbw,newdata=d[1:3,])