At 19:55 22/07/2005, Nick Cox wrote (in reply to Wendy Garrard):
You are between the Devil and the Deep Blue Sea here.
-serrbar- is a bit of an historical hangover. It is not
a general command for plotting results with errors, but
just a codification of one recipe. In particular, horizontal
alignment is wired in.
In the absence of anything meta to your satisfaction,
doing it yourself appears indicated.
Nick
[email protected]
Wendy might like to use -eclplot-, which is easily customised and has a
-plot()- option for this purpose. To find the latest Stata 9 version, type
ssc desc eclplot
To find the Stata 8 version, type
net from "http://www.kcl-phs.org.uk/rogernewson/stata8/";
The commands -sencode- and -metaparm- might also be useful, and can also be
downloaded from SSC.
I hope this helps.
Roger
Garrard, Wendy M.
> I am having trouble producing a custom << serrbar >> but cannot find
> instructions for how to display the features I need. I have looked in
> the manuals, help files, and Statalist archives.
>
> (1) make the graph vertical (default display is horizontal)
> (2) align the case/marker labels (study ID) on either the
> left or right
> side of the graph
> (3) add one or two columns alongside the labels containing (a) effect
> size and (b) sample size.
>
> I am using the serrbar to create a forest plot of 32 effect
> sizes for a
> meta-analysis. I am aware of the forest plots bundled with some of the
> user-written meta-analysis commands, but they do not meet my needs
> either, and seem less flexible for customizing than serrbar.
> I would be
> happy to use either approach, just so it yields the graph I need.
>
> The graph I am trying to emulate was done with software called
> Comprehensive Meta-analysis. The "ideal" graph is formatted something
> like below.
> --------------------------------------------------------------
> ----------
> -------------------
> Citation Effect N total -2.00 -1.00 0.00
> 1.00 2.00
>
> Bones & Smith 1999 .203 26 | | |
> ---*--|- |
> Jones 2003 .450 235 | |
> |--*-- | |
> ...
> --------------------------------------------------------------
> ----------
> -------------------
>
> Thanks in advance for advice as to what SE or forest plot is the most
> customizable.
--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
Division of Asthma, Allergy and Lung Biology
King's College London
5th Floor, Capital House
42 Weston Street
London SE1 3QD
United Kingdom
Tel: 020 7848 6648 International +44 20 7848 6648
Fax: 020 7848 6620 International +44 20 7848 6620
or 020 7848 6605 International +44 20 7848 6605
Email: [email protected]
Website: http://phs.kcl.ac.uk/rogernewson/
Opinions expressed are those of the author, not the institution.
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