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st: RE: RE: distribution curve with svy

From   Holly Kosiewicz <>
To   <>
Subject   st: RE: RE: distribution curve with svy
Date   Tue, 8 Sep 2009 14:27:35 -0400

Hi Martin,

Thanks very much for your help. It seems as though this command may work. Unfortunately, when I type "cumul pincp if dropout==1 [fweight=pwgpt], gen (incdrop)", stata tells me I am using an invalid syntax. It seems as though I am following the syntax given in the help window for cumul so I can't tell where Stata is finding the error. 

Any thoughts?

Thanks again,  Holly

-----Original Message-----
From: Martin Weiss [] 
Sent: Tuesday, September 08, 2009 1:46 PM
Subject: st: RE: distribution curve with svy 


How about the second example in -help cumul-?


-----Original Message-----
[] On Behalf Of Holly Kosiewicz
Sent: Dienstag, 8. September 2009 19:24
Subject: st: distribution curve with svy 

Hi Statalist,

I currently have a dataset that contains a sample of individuals; this
dataset also contains a final weight variable that can be used to generate
population estimates.

I would like to draw a distribution curve of a variable that measures
income, by the educational attainment level of the individual.  The end goal
is to see two  distributional curves - each curve representing a population
with a specific educational attainment level - one superimposed on the
other, and compare them. Ideally, I would make these comparisons based on
the population, not on the sample.

The first thing that came to mind was a histogram command, but I noticed
that the only curve that it can generate is a normal curve. That's not what
I want. Then I thought about using a graph twoway scatterplot, but that too
does not produce the distributional curve that I want. Any thoughts?

Many thanks in advance. 


Holly Kosiewicz, M.A.
Research Associate
Research Center
Editorial Projects in Education, Inc.
6935 Arlington Road
Bethesda, Maryland  20814

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