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st: RE: RE: Further query on twoway bars for 2 rates


From   "Richard Forshee" <rforshee@umd.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Further query on twoway bars for 2 rates
Date   Wed, 7 Jun 2006 08:59:52 -0400

The UCLA Stata FAQ has a good discussion of this kind of problem:

http://www.ats.ucla.edu/stat/stata/faq/barcap.htm



Richard A. Forshee, Ph.D.
Deputy Director & Director of Research
Center for Food, Nutrition, and Agriculture Policy
University of Maryland--College Park
1122 Patapsco Building
College Park, MD  20742-6726

Phone:  301-405-8222
E-mail:  rforshee@umd.edu


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Thuy Le
Sent: Tuesday, June 06, 2006 11:30 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: Further query on twoway bars for 2 rates

I found the solution.
Copy and paste the following sample data:

statefips	age	senior	age_l	age_h	senior_l	senior_h
statefips1	statefips2
1	35.5416	13.7	35.04163	36.04163	13.2	14.2	0.75
1.25
3	28.442	4.3	27.942	28.942	3.8	4.8	2.75	3.25
5	34.4531	13.2	33.95309	34.95309	12.7	13.7	4.75
5.25
7	36.3938	15.8	35.89377	36.89377	15.3	16.3	6.75
7.25

Basically, you generate statefips1 (and 2) by substracting (adding) 0.25 to
statefips. The age_l and age_h are lower and upper bounds artificially
generated for age. The same for senior.

Then, you can use this to create the graph:

twoway (bar age  statefips1, barw(.5)) (rcap  age_l age_h  statefips1) (bar
senior  statefips2, barw(.5)) (rcap  senior_l senior_h  statefips2)

Of course, you need to relabel it a little bit.

Let me know your final results.

Thuy

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Daniel Exeter
Sent: Tuesday, June 06, 2006 6:20 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: Further query on twoway bars for 2 rates

Hi folks, 

Thanks to those who replied yesterday. Perhaps my request wasn't clear. 

I want to map rates for males and females, with 95% CIs, by a group variable
(e.g. region). 

If I use the syntax
#d;
graph twoway (bar rate1 groupvar,(barw(0.5))  (rcap lb1 ub1 groupvar ) (bar
rate2 groupvar, barw(0.5))  (rcap lb2 ub2 groupvar), ; #d cr

I obtain a graph where the bars for males and females and their CI's are
plotted. However, the two bars are upon one another. 

Is there a way to somehow shift the rate2 bars and CIs to the right, so that
they have an appearance similar to the command

Graph bar (asis) rate1 rate2, over(groupvar) 

With the confidence intervals attached?

Cheers
Dan




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