https://communities.sas.com/t5/SAS-Procedures/how-to-validate-in-PROC-PHREG-with-time-dependent-variables/m-p/64774#M18418 hi, did you find an answer? i have the same problem.. Mon, 05 Jul 2010 11:34:03 GMT deleted_user 2010-07-05T11:34:03Z https://communities.sas.com/t5/SAS-Procedures/how-to-validate-in-PROC-PHREG-with-time-dependent-variables/m-p/64773#M18417 e can not use BASELINE statement if we got time-depenedent variables, so what should we do for the validation? Fri, 05 Dec 2008 16:16:19 GMT https://communities.sas.com/t5/SAS-Procedures/how-to-validate-in-PROC-PHREG-with-time-dependent-variables/m-p/64773#M18417 deleted_user 2008-12-05T16:16:19Z https://communities.sas.com/t5/SAS-Procedures/how-to-validate-in-PROC-PHREG-with-time-dependent-variables/m-p/64774#M18418 hi, did you find an answer? i have the same problem.. Mon, 05 Jul 2010 11:34:03 GMT https://communities.sas.com/t5/SAS-Procedures/how-to-validate-in-PROC-PHREG-with-time-dependent-variables/m-p/64774#M18418 deleted_user 2010-07-05T11:34:03Z