[R] forrest plot

Michela Ballardini m.ballardini at ior-forli.it
Fri Oct 21 12:13:34 CEST 2005


Dear Thomas, thank you very much for the informations, I want just that one!

But how can I do? Can you tell me where can I try the commands to do that 
graphic?

Thank you a lot
Michela

**************************************
Dr.ssa Michela Ballardini
Unità di Biostatistica e Sperimentazioni Cliniche
c/o Osp. Morgagni-Pierantoni - Pad. Valsalva
Via Forlanini, 34
47100 Forlì
Tel 0543-731836
Tel/Fax 0543-731612
**************************************


----- Original Message ----- 
From: "Thomas Lumley" <tlumley at u.washington.edu>
To: "Michela Ballardini" <m.ballardini at ior-forli.it>
Cc: <r-help at stat.math.ethz.ch>
Sent: Thursday, October 20, 2005 8:19 PM
Subject: Re: [R] forrest plot



metaplot() will not currently do asymmetric confidence intervals, which
seems to be what you want.  I'm making a revised version based on Paul
Murrell's grid example at
   http://www.stat.auckland.ac.nz/~paul/RGraphics/examples-table.png
which will be more flexible.

  -thomas

On Thu, 20 Oct 2005, Michela Ballardini wrote:

> Hello
> I'm trying to plot hazard risk values using the function metaplot with
> the specifications:
>
> metaplot(mn=c(-0.28174,-0.71444,-0.12375,-0.12426,-0.30011,-0.45058,-0.07324),se=c(0.20766,0.42691,0.26366,0.30357,0.31819,0.28636,0.37758),xlab="HR 
> and 95%CI",logeffect=T,xaxt="n")
>
> axis(side=1,at=c(0,0.2,0.4,0.6,0.8,1.0,1.2,1.4,1.6,1.8,2.0),labels=c(0,0.2,0.4,0.6,0.8,1.0,1.2,1.4,1.6,1.8,2.0))
>
>
>
> However, in the plot the x axis is on a log scale and tends to overextend 
> the left end of the axis. How can I transform the x-scale on a linear 
> scale with equidistant points?
>
>
> Thank you very much for your attenction
>
> Mic
>
> **************************************
> Dr.ssa Michela Ballardini
> Unità di Biostatistica e Sperimentazioni Cliniche
> c/o Osp. Morgagni-Pierantoni - Pad. Valsalva
> Via Forlanini, 34
> 47100 Forlì
> Tel 0543-731836
> Tel/Fax 0543-731612
> **************************************
>
>
> [[alternative HTML version deleted]]
>
>

Thomas Lumley Assoc. Professor, Biostatistics
tlumley at u.washington.edu University of Washington, Seattle




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