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Re: st: the fastest way to check if unique values of a variable > 100
From
daniel klein <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: the fastest way to check if unique values of a variable > 100
Date
Sun, 25 Aug 2013 22:43:39 +0200
Guess user-written approaches (or ados in general) are probably slower
than built-in commands like -tabulate-. I would go with -assert-
cap as foo > 100 ,f
Note that -capture- supresses output by default, so -quietly- is not needed.
Best
Daniel
--
Try -unique- or -distinct- from SSC.
On Sun, Aug 25, 2013 at 11:18 AM, László Sándor <[email protected]> wrote:
> Hi,
> Currently I think it is worth a quiet -cap tab- to catch the error
> r(134) or r(r). But it still can be a wasteful operation, as tabbing
> does work for many thousands of observations. And of course it does
> more than simply count the unique values.
>[...]
> Is there a fast approach I am not aware of?
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