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. Author manuscript; available in PMC: 2012 Jun 18.
Published in final edited form as: Comput Methods Programs Biomed. 2010 Aug 17;101(1):87–93. doi: 10.1016/j.cmpb.2010.07.005
inputdata the input SAS data set name;
time the failure time variable;
cause the variable indicating censoring or type of failure with 0 for censoring, 1 for risk of interest and 2 for all other causes of failure;
group the treatment group index and coded as {1, 2, …, K};
covlist the list of all covariates;
outdata the SAS output data set name.