Dear Nick
I was merely replying to Clive's suggestion.
I have tried various things, I was not getting the
same answer another author got. But I and a another
statalist user have agreed that I ask the author, as
he may have used other figures.
Thanks
Best Wishes
--- Nick Cox <[email protected]> wrote: > The help
for -codebook- explains that
> -codebook- makes a guess at what are
> (in effect) categorical variables for which
> summary statistics are _not_ calculated, as
> in your example. You
> can force the calculation of quartiles
> by using the -tabulate()- option.
>
> All this, however, is a bit of
> a red herring. You want quartiles.
> As other people have explained, there
> are other ways of getting at them which
> are more direct. -codebook- can be
> very useful for other reasons, naturally.
>
> Nick
> [email protected]
>
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]]On
> Behalf Of peter harper
> > Sent: 11 May 2004 22:20
> > To: [email protected]
> > Subject: RE: st: quartiles
> >
> >
> > Clive
> > Thanks for your suggestion. When I tried
> > codebook pro1
> > It did not give me centiles, as it did for you,
> just
> > type
> > range
> > unique value
> > tabulation etc.
> > Thanks
> >
> > --- n1700166 <[email protected]>
> wrote:
> > > Peter Harper wrote:
> > >
> > > > Can tell me the commands to obtain a bottom
> and
> > > top
> > > > quartile. Thanks in advance
> > >
> > > You could also use -codebook- towards the same
> end:
> > >
> > >
> > > . sysuse auto, clear
> > > (1978 Automobile Data)
> > >
> > > . codebook mpg
> > >
> > >
> >
>
--------------------------------------------------------------
> > ----------------
> > > --
> > > mpg
>
> > > Mileage
> > > (mpg)
> > >
> >
>
--------------------------------------------------------------
> > ----------------
> > > --
> > >
> > > type: numeric (int)
> > >
> > > range: [12,41]
>
> > > units: 1
> > > unique values: 21
>
> > > missing .: 0/74
> > >
> > > mean: 21.2973
> > > std. dev: 5.7855
> > >
> > > percentiles: 10% 25%
>
> > > 50% 75% 90%
> > > 14 18
>
> > > 20 25 29
> > >
> > > C.
> > >
>
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> *
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