[R] C-statistic comparison with partially paired datasets

Hanneke Wijnhoven hanneke.wijnhoven at falw.vu.nl
Wed Aug 12 11:53:24 CEST 2009

Does anyone know of an R-function or method to compare two C-statistics 
(Harrells's C - rcorr.cens) obtained from 2 different models in 
partially paired datasets (i.e. some similar and some different cases), 
with one continuous independent variable in each separate model? (in a 
survival analysis context)?
I have noticed that the rcorrp.cens function can be used for paired data.
Thanks for any help,

Hanneke Wijnhoven

Hanneke A.H. Wijnhoven (PhD) 
Institute of Health Sciences 
Vrije Universiteit Amsterdam 
De Boelelaan 1085 
1081 HV Amsterdam 
The Netherlands 
Tel. +31 (0) 20 5989951 
Fax. +31 (0) 20 5986940 
hanneke.wijnhoven at falw.vu.nl

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