st: by year: xtile

[Kaspar Dardas <kaspar.dardas@googlemail.com>]

Hello,


I have two variables years (2005 2006 2007...) and mcap (which is the
capitalization of firms, numeric values). I would like to create
deciles of mcap by years (not across the entire sample but for each
year) . Is there a quick way to do this besides a loop for the below?

xtile mcapdecile = mcap, nq(10)

Many thanks,

Kaspar

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