st: collapse with mode

[Tyler Frazier <tyfrazier@gmail.com>]

Is there a way to execute a collapse and return the mode of a variable

I have a variable which is either 11 , 21  or   51  (land use:
residential, commercial or public) which can possibly but not likely
change over the time period

I want to collapse the average consumption to the meter for the time
period (16 months), but then retain either the mode or some indication
that the meter land use has changed its land use during this time
period

Is there a way to do this?

Thanks,
Ty
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