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re: st: a question about percentiles

From   Christopher Baum <>
To   "" <>
Subject   re: st: a question about percentiles
Date   Tue, 12 Jul 2011 22:41:29 -0400

      I have a quick question regarding the quintiles. I used the
command xtile listed in the manual under pctile to divide income into
quartiles. What I want to know is the  the highest value in each
quartile. I tried to sort and list, but the data is too big to list
all the values. Anyone has a more convenient way to do it?

sysuse auto,clear
xtile pct = mpg, nq(5)
bys pct (mpg): l mpg if _n==_N
// or
sort pct mpg
by pct: g hival = mpg if _n==_N
l pct hival if !mi(hival)


Kit Baum   |   Boston College Economics & DIW Berlin   |
                              An Introduction to Stata Programming  |
   An Introduction to Modern Econometrics Using Stata  |

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