sysuse auto
local sby : sortedby
di "`sby'"
On Thu, 30 Sep 2004 21:43:14 +0100 (BST), Mark Schaffer
<[email protected]> wrote:
> At least, it looks like a simple question, but I can't find the answer.
>
> I want a program to be able to find out if the dataset in memory is
> sorted. If possible, I also want it to be able to find out what the sort
> variables are. But I don't want the dataset to get sorted in the process.
>
> -tsset- saves the panel and time variables in macros, but it will
> automatically resort the data. (This is documented. -tsreport- will also
> automatically resort the data, but this isn't mentioned in the manual or
> the online help.)
>
> -desc- reports the sort variables on screen, at the end of the report.
> Curiously, it will save them in a macro only when describing a dataset in
> a file, e.g., -desc using filename-. It will not save the sort variables
> in a macro when describing a dataset in memory.
>
> I suspect this is an easy one and I've missed something, but it isn't for
> lack of trying - I tried the manuals and the other usual places. I don't
> want to resort to something hacky, like -capture-ing a command that
> requires the data to be sorted and seeing if an error code is returned.
>
> Can someone help?
>
> Cheers,
> Mark
>
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--
Stas Kolenikov
http://stas.kolenikov.name
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