![Just-in-time data prep in SAS Enterprise Guide](https://blogs.sas.com/content/sasdummy/files/2011/11/taskfilter.png)
On this blog, I've delivered a few tips about using SAS formats to stratify your data values "in place" without having to actually change your data. The most recent example addressed date and datetime variables. My previous examples included simple SAS programs that you can run in SAS display manager