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Re: st: Questions about -rspread-


From   Richard Goldstein <richgold@ix.netcom.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Questions about -rspread-
Date   Thu, 19 May 2005 08:58:57 -0400

I am the original author of rspread

I was out of the office all day yesterday, so I only seeing the messages today.

I tried -rspead- on the auto data and had no problems (Stata 9 in Windows XP) so am not sure what is going on. However, it is also the case the Nick Cox very generously took on the re-writing, and bringing up to date, of the program and this should appear in a forthcoming SJ -- much thanks to Nick

The answer to question 2 is "no" -- the program was never meant to overlay Lorenz curves directly

Rich Goldstein

louis boakye-yiadom wrote:


Dear All,
I have two questions:
1. I've been trying to explore how -rspread- works. I gave a command and had an output, but with the error message - invalid 'files' (198) - below the output. The command was:
rspread welfare
The output looked alright, but I don't understand why the error message was also generated. I've checked to be sure there are no zeros or missing observations, using - count if mi(welfare) - and
- count if welfare==0 -. Each of the last two commands gave an ouput of 0. Can anyone explain what the problem is?
2. Can -rspread- be used to generate two or more Lorenz curves within the same axes?

Thank you.

Regards,
Louis

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