Don't use gplot.  Use proc lifetest.  There is an entire chapter of the documentation devoted to helping you.   https://support.sas.com/documentation/onlinedoc/stat/142/kaplan.pdf     You don't have to understand the macro language to copy and paste code. ... View more

Look at the survival macros in the documentation to modify the curves coming out of lightest. They are well documented and core the majority of use cases. It's not clear what plot you'd get here that would be different than the survival plots. https://documentation.sas.com/?docsetId=statug&docsetTarget=statug_kaplan_toc.htm&docsetVersion=14.3&locale=en ... View more

Have you read through the documentation and worked through the examples? That's probably the recommended starting point.  https://documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=statug&docsetTarget=statug_introsurv_sect001.htm&locale=en   Then if you need details on a specific topic you can post back with a more detailed question, or search on lexjansen.com for survival tutorials.   There's also a book on the topic that's pretty good. If you're affiliated with an academic institution you should have digital access through your library as well. https://www.amazon.ca/Survival-Analysis-Using-SAS-Practical/dp/1599946408 ... View more