help with formula for clogit
On Tue, Nov 8, 2011 at 4:19 AM, 1Rnwb <sbpurohit at gmail.com> wrote:
I would like to know if clogit function can be used as below clogit(group~., data=dataframe)
Not usefully. That syntax does not specify a strata() term, which is why the computation is very slow and probably not what you intended. -thomas
Thomas Lumley Professor of Biostatistics University of Auckland