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Adding a column of cumulative counts in SAS for subgroups within a larger list

hantran99 asked
Last Modified: 2013-11-16
Hi anyone,

Just wondering if anyone has SAS code to add a column of cumulative counts

Example of what I am after.
Cust Count  Cum Count
Peter 1  1
Peter 4 5
Peter 5 10
Peter 6 16
Peter 7 23
Janet 1 1
Janet 3 4
Janet 4 7
Mary 2 2
Mary 5 7
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