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Re: st: how to access Stata's record of the variable data is sorted on


From   Robert Picard <[email protected]>
To   "[email protected]" <[email protected]>
Subject   Re: st: how to access Stata's record of the variable data is sorted on
Date   Mon, 23 Sep 2013 13:24:53 -0400

dis "`:sortedby'"

On Mon, Sep 23, 2013 at 12:52 PM, László Sándor <[email protected]> wrote:
> Hi,
> [D] sort documents how Stata keeps track of the variable the data has
> been sorted on, and you see this information as the last line of the
> output from -describe-. However, I cannot find a way to access this
> information and make use of it. Is there any?
>
> For those interested, I think I have a legitimate use case when I want
> to use this. Sorting my data can take a long-long time, even if the
> variable is categorical. But as I need a -tab- of the categories
> anyway, I can utilize the frequencies returned to assign a rank for a
> new sort order for -mf_collate-. This should be much faster. But I
> would be happy to skip this step completely if the data is already
> sorted on the variable when my command is invoked.
>
> Thanks!
>
> Laszlo
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