Use the BY statement in SAS to create a counter variable when the group of rows changes.
Mastering SAS: How to Use Counter Variables for Grouped Rows
When working with data sets in SAS, it is often necessary to create counter variables for grouped rows. These variables are useful for tracking the number of occurrences of a certain value in a group and can provide valuable insights into your data.
Simplifying Grouped Data Analysis in SAS with Counter Variables
SAS is a powerful tool for data analysis, and many SAS programmers use it to analyze large datasets that are often grouped into categories. Analyzing grouped data in SAS can be a complex and time-consuming task, but using counter variables can simplify and speed up the process.