Hi,

I have to build a logistic regression model on a data set that I have. I
have three input variables (x1, x2, x3) and one output variable (y).

The syntax of lrm function looks like this

     lrm(formula, data, subset, na.action=na.delete, method="lrm.fit",
         model=FALSE, x=FALSE, y=FALSE, linear.predictors=TRUE, se.fit=FALSE,

         penalty=0, penalty.matrix, tol=1e-7,
         strata.penalty=0, var.penalty=c('simple','sandwich'),
         weights, normwt, ...)

Any logistic regression model would take y and x1,x2,x3 as parameters and
output the model (probabilities). So, I dont know where to fit in these
values in this function.

Any help is appreciated. I am chasing a deadline in my project.

Nitin

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