David Airey <[email protected]> ask about -kdensity-:
> I'm a little confused about kdensity and tw kdensity in Stata 8. I
> understand that tw kdensity uses kdensity, but all the same, for some
> reason, kdensity does not use Stata's new graphics, and outputs in gr7
> format. The normal and student options are for kdensity, which leaves
> them in gr7 format too. Is this intended?
>
> Also, for me, kdensity with the student(#) option does not work
> although the normal option does, unless my df is somehow out of range?
>
> . sysuse auto
> (1978 Automobile Data)
>
> . kdensity length
>
> . tw kdensity length
>
> . sum length
>
> Variable | Obs Mean Std. Dev. Min Max
> -------------+--------------------------------------------------------
> length | 74 187.9324 22.26634 142 233
>
> . kdensity length, normal
>
> . kdensity length, student(74)
> option student() not allowed
> r(198);
>
> (...)
I'll address David's comment/question about -kdensity-.
David's example strongly suggests that something like
. version 7
was typed interactively in his Stata 8 session. This can be quickly verified
by typing
. version
interactively. The output from entering the -version- command without
arguments is the version (control) that Stata is currently operating under.
--Jeff
[email protected]
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