Re: [R] Package rms: c-statistic from lrm function with weights

2016-06-16 Thread David Winsemius
> On Jun 15, 2016, at 6:44 PM, Marie-Pierre Sylvestre > wrote: > > Dear list, > > I am using the lrm function from the rms package to estimate a logistic > model with weights. The c-statistic (or area under the curve) is part of > the lrm output. > > To understand how the weights enter the co

[R] Package rms: c-statistic from lrm function with weights

2016-06-15 Thread Marie-Pierre Sylvestre
Dear list, I am using the lrm function from the rms package to estimate a logistic model with weights. The c-statistic (or area under the curve) is part of the lrm output. To understand how the weights enter the computation of the c-statistics, I looked at the script of lrm and lrm.fit but I am o