On 03/14/2013 09:19 PM, Öhagen Patrik wrote:
Please note that I want to use log-scale on the x-axis which makes the polygon
function sad.
Cheers, Patrik
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Öhagen Patrik
Skickat: den 14 mars 2013 08:47
Till: R hELP
Ämne: [R] Create patterns within a plot?
Dear All,
As an attempt to highlight the overall pattern in a Forest plot, I would like to
"highlight" the area around HR=1. I cannot find any simple tools for painting a
grey ribbon between 0.9 and 1.1. Any suggestions?
Hi Patrik,
This is a bit indirect, but it may do what you want. The example plot is
from the metafor package (see forest.default):
forest(dat$yi, dat$vi)
library(plotrix)
gradient.rect(0.9,-0.1,1.1,14,
reds=c(1,0.5,1),greens=c(1,0.5,1),
blues=c(1,0.5,1),gradient="x",border=NA)
par(new=TRUE)
forest(dat$yi, dat$vi)
Jim
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