Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: quartiles


From   peter harper <peterhharper@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: quartiles
Date   Tue, 11 May 2004 22:37:41 +0100 (BST)

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 <n.j.cox@durham.ac.uk> 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 
> n.j.cox@durham.ac.uk 
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu]On
> Behalf Of peter harper
> > Sent: 11 May 2004 22:20
> > To: statalist@hsphsun2.harvard.edu
> > 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 <Clive.Nicholas@newcastle.ac.uk>
> 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.
> > > 
> 
> *
> *   For searches and help try:
> *  
> http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/ 


	
	
		
____________________________________________________________
Yahoo! Messenger - Communicate instantly..."Ping" 
your friends today! Download Messenger Now 
http://uk.messenger.yahoo.com/download/index.html
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index