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Date:         Sat, 25 Jun 2011 14:05:20 -0600
Reply-To:     Jon K Peck <peck@us.ibm.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Jon K Peck <peck@us.ibm.com>
Subject:      Re: Dot Charts with single dot per line a la Bill Cleveland
Comments: To: Art@DrKendall.org
In-Reply-To:  <4E0625FB.4010606@DrKendall.org>
Content-Type: multipart/alternative;

Have you considered the error bar or dropline charts in Statistics? They default to vertical lines, but that is easy to reverse.

Jon Peck Senior Software Engineer, IBM peck@us.ibm.com new phone: 720-342-5621

From: Art Kendall <Art@DrKendall.org> To: SPSSX-L@LISTSERV.UGA.EDU Date: 06/25/2011 12:19 PM Subject: Re: [SPSSX-L] Dot Charts with single dot per line a la Bill Cleveland Sent by: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>

Thank you. Those are those are the kinds of graphs I had in mind,

Since R can be called from SPSS, do you have SPSS syntax to do this task?

Art

On 6/25/2011 2:11 PM, Thomas MacFarland wrote: Everyone:

The dotchart() function in R will accommodate this action fairly easily if you can not find a SPSS fix.

A simple set of R syntax (about baseball, of course!) follows:

On1stBase <- c(3,4,1,2,4,2,3,6,1,0, + 6,3,3,5,2,1,3,7,1,3, + 5,3) On1stBase [1] 3 4 1 2 4 2 3 6 1 0 6 3 3 5 2 1 3 7 1 3 5 3

par(ask=TRUE) dotchart(On1stBase, + main="Dotchart of On1stBase", + xlab="On1stBase", + font.lab=2, + col="red") Waiting to confirm page change...

Going beyond this simple example, look at http://polisci.msu.edu/jacoby/research/dotplots/tpm/Jacoby,%20Dotplots,%20TPM%20Draft.pdf and give attention to Figure 4 (R syntax begin on p. 11 and Figure 4 is on the last page of this document).

Best wishes.

Tom

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