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st: RE: RE: RE: AW: Graph Box Question


From   "Reg Jordan" <drreg@earthlink.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: RE: AW: Graph Box Question
Date   Sun, 8 Aug 2010 13:12:51 -0400

I have measurement values at specified locations over the years 2000 - 2009.
These measurement values were generated using three different analytical
methods. Method 800: 2000 - 2004; Method 802: 2005 - 2007; Method 811: 2000
- 2009. I have been trying to examine the data  for different methods during
the time periods in which the methods were used. I have tried various
combinations of -if-s and -over-s without success. Hence the SOS.

To answer your question: brick wall.

reg

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Sunday, August 08, 2010 12:59 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: RE: AW: Graph Box Question

What roadblock did you meet? 

Some combination of -if- and -over()- would seem sufficient for either
problem. 

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

Reg Jordan

Thanks so much, Martin. Your suggestion did the trick. Much appreciated.

Martin Weiss

One idea would be to separate beforehand:

*************
sysuse nlswork,clear
separate hours, by(inrange(year, 70,72)) gen(firstsepa) separate hours,
by(inlist(year, 70,73,76)) gen(secondsepa) label variable firstsepa1
`"Variable for Hours in Years 1970-1972"'
label variable  secondsepa1`"Variable for Hours in Years 1970, 1973, 1976"'
graph box firstsepa1 secondsepa1, legend(rows(2))
*************

Reg Jordan

I have data collected during the years 2000 -2009. I want to boxplot one of
the data variables, but I've hit a roadblock attempting to plot only that
variable for certain years.
How would I boxplot data for: (1) years 2000 - 2003, and (2) for years, say,
2000, 2003, and 2007? Thanks for your assistance.

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