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st: RE: RE: Re: About cumul command


From   Jeetendra Aryal <jeetendra.aryal@umb.no>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Re: About cumul command
Date   Mon, 11 May 2009 10:30:19 +0200

Dear Nick,
Thank's a lot. It worked pretty well.

regards,
Jeetendra Aryal
________________________________________
From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox [n.j.cox@durham.ac.uk]
Sent: Sunday, May 10, 2009 4:22 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: Re: About cumul command

Using the same example,

sysuse citytemp, clear
distplot tempjan tempjuly, lc(blue navy)

gets you there pretty directly. There is no need to restructure the data
or to figure out the basic graphics.

You do need to install -distplot-, which is user-written:

SJ-5-3  gr41_3  . . . . . . . . . . . . . . . . . Software update for
distplot
        (help distplot if installed)  . . . . . . . . . . . . . . .  N.
J. Cox
        Q3/05   SJ 5(3):471
        simplified syntax; both by() and over() are now allowed

There are broader discussions, all freely accessible, at

SJ-4-1  gr0003  . . . . . . . . . . . . Speaking Stata: Graphing
distributions
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N.
J. Cox
        Q1/04   SJ 4(1):66--88                                   (no
commands)
        a review of official and user-written commands for
        graphing univariate distributions; includes tricks
        beyond what is obviously and readily available

STB-51  gr41  . . . . . . . . . . . . . . . . . .  Distribution function
plots
        (help distplot if installed)  . . . . . . . . . . . . . . .  N.
J. Cox
        9/99    pp.12--16; STB Reprints Vol 9, pp.108--112
        plots the cumulative distribution function or survival function
        and allows multiple variables

Starting from Jeetendra's starting point, something like

distplot yield, over(caste)

seems indicated.

Nick
n.j.cox@durham.ac.uk

Martin Weiss

sysuse citytemp, clear
cumul tempjan, gen(cjan)
cumul tempjuly, gen(cjuly)
stack cjan tempjan cjuly tempjuly, ///
into(c temp) wide clear

//first in blue, second in navy
twoway (line cjan temp, sort lcolor(blue)) ///
(line cjuly temp, sort lcolor(navy))

Jeetendra Aryal
>
> In order to compare if the cummulative distribution function of yield
are
> different between two caste groups, I used the follwing command:
> -----------------------------
> cumul yield if caste==0, gen(highcaste)
> cumul yield if caste==1, gen(lowcaste)
> stack highcast yield lowcast yield, into(c productivity) wide clear
> line highcast lowcast productivity, sort ytitle("CDF")
> ---------------------------
>
> The command produced the desired result. BUT, I like to know if there
is
> any way to change the color of the graph (or mark symbol) it produces
> because there are two CDFs. I tried to use option (mcolor), but it
says
> that option is not allowed.

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