![Understanding the _TYPE_ variable in output data sets Typewriter keys](https://blogs.sas.com/content/sgf/files/2022/11/laura-chouette-6tdfx_gvHf0-unsplash-702x336.jpg)
When you use PROC MEANS or PROC SUMMARY to create a summary data set and include a CLASS statement, SAS includes two variables, _FREQ_ and _TYPE_, in the output data set. This blog shows you two ways to interpret and use _TYPE_ using the data set Shoes in the SASHELP