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Re: st: -lowess- does not respect the cols() or rows() suboption when used with by()
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From |
[email protected] (Jeff Pitblado, StataCorp LP) |
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To |
[email protected] |
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Subject |
Re: st: -lowess- does not respect the cols() or rows() suboption when used with by() |
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Date |
Sun, 25 Jun 2006 14:28:15 -0500 |
Eva Poen <[email protected]> wrote in, pointing out some trouble with a
suboption of -by()- in the -lowess- command:
> both in Stata 9.2 and 8.2, the -lowess- command does not respect the
> rows() or cols() suboption to by():
>
> -lowess price mpg, by(foreign, cols(1))-
>
> produces two columns instead of one, whereas
>
> -scatter price mpg, by(foreign, cols(1))-
>
> behaves as expected. Am I overlooking something very obvious here? The
> help file for -lowess- states that twoway options may be applied,
> including by() suboptions.
Nick Cox <[email protected]> replied after peeking at lowess.ado:
> This does look like a bug. -local byopts- is defined
> but apparently never used within the code, so
> I suspect that your option disappears into nothingness.
Nick found the source of the problem.
We should have this fix ready for the next ado-file update.
--Jeff
[email protected]
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