Date: Mon, 10 Nov 2008 16:00:35 -0700
Reply-To: ViAnn Beadle <vab88011@gmail.com>
Sender: "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From: ViAnn Beadle <vab88011@gmail.com>
Subject: Re: Graphing and Chartbuilder question
In-Reply-To: <4E0A6BFF90194A1B959637ABDC048399@ssw.buffalo.edu>
Content-Type: text/plain; charset="us-ascii"
The Chart Builder UI doesn't provide a quick way to do a regression line,
for that you have to modify the GPL. But first, you have a much bigger
problem if your month variable is defined as a string. So your first problem
is to get your X axis variable to be a number or date. You could even make
your x axis use a variable computed from but you wouldn't get the month
names there. Are you willing to do this chart using syntax in place of Chart
Builder?
-----Original Message-----
From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of
Gene Maguin
Sent: Monday, November 10, 2008 2:53 PM
To: SPSSX-L@LISTSERV.UGA.EDU
Subject: Graphing and Chartbuilder question
I don't ever do much graphing so I'm really unfamiliar with graphing in 16
and, especially with chartbuilder. Plus, I confess to being lazy today. Our
IT guy asked me to help with some data presentation. I've aggregated the
data to months for 2007 and 2008 and now have in mind a graph showing 2007
as one line and 2008 as another line. I'd then like to put a best fit
straight line through the 2007 points and a second best fit line through the
2008 points.
I'd bet that all could be done through chartbuilder, which is my next
rambling question.
My data look like
Year month AAA
2007 Jan 213
...
2007 Dec 233
2008 Jan 224
...
2008 Dec 241
After stumbling around for a while, I got a chart that plots the value of
AAA by month by year. But it has some problems. I want x axis to be in file
order because $casenum=1 is Jan, $casenum=2 is Feb, etc. How do I do that?
Seems like that ought to be an ordinary option.
Next, how do I put the regression lines on? I might not have looked well
enough but there didn't seem to be anything about regression lines on the
chart builder thing. How do I do that?
Thanks, Gene Maguin
But, it's not really what I want. First, my x-axis variable is month
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