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I'm not doing a meta analysis--just a repeated measures ANOVA to show differences in sleeping patterns of premature babies from one to three months. The problem is that the physician I'm working with wants to graphically display the mean differences and confidence intervals using a forest plot-type graph (which I'm not sure is even possible--hence my email to this listserv!)
I tried simply creating the mean differences for each of the 6 sleep measurement times as separate columns, then using the "Error bar" option with summaries of separate variables, rather than for groups of cases. This only produces the group mean differences as dots, but doesn't give me the 95% CI lines.
Jill
--- On Thu, 4/23/09, ViAnn Beadle <[hidden email]> wrote:
From: ViAnn Beadle <[hidden email]>
Subject: RE: Graphing error bars for group mean differences and 95% CIs
To: "'Jill Stoltzfus'" <[hidden email]>
Cc: [hidden email]
Date: Thursday, April 23, 2009, 11:00 AM
Are there any examples of a forest plot online that you want to duplicate?
Tell us a bit about your data—are you trying to do a meta analysis?
Finally, what fails with the usual error bars available in GGRAPH, GRAPH, or
IGRAPH?
From: SPSSX(r) Discussion
[mailto:[hidden email]] On Behalf Of Jill Stoltzfus
Sent: Thursday, April 23, 2009 8:50 AM
To: [hidden email]
Subject: Graphing error bars for group mean differences and 95% CIs
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Hello everyone. Is there a simple way to have SPSS graph
error bars for group mean differences to show 95% CIs, similar to a forest
plot with meta analysis? I've tried just about every configuration for error
bars, but I can't seem to get this to work.
Thanks.
Jill
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