customerData[, .N, by = LIFESTAGE][order(-N)]
Welcome to the forum.
We need a reproducible example (reprex) to get some idea of what you are doing.
1 Like
system
Closed
3
This topic was automatically closed 21 days after the last reply. New replies are no longer allowed.
If you have a query related to it or one of the replies, start a new topic and refer back with a link.