| 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. |