cindex Calculates the c-index and standard error for
logistic and Cox regression models and the degrees of freedom
to be further used in function with.milist.
Usage
cindex(formula, data)
Value
The c-index, related standard error and
complete data degrees of freedom (dfcom) as n-1.
Arguments
formula
A formula object to specify the model as
normally used by glm or coxph.
data
An object of class milist, created by
df2milist, list2milist or mids2milist.