Hi manuel
Have a look at http://tolstoy.newcastle.edu.au/R/e2/help/07/05/17666.html
Just plugging in your xlabs everything is OK for Deepayan's example
xyplot(1:9 ~ 1:9 | gl(3, 1, 9),
layout = c(3, 1),
xlab = myXlabGrob('Trial number',
'Subject number',
'Experimental condition'),
strip = FALSE )
But when I use myXlabGrob to your example the labels are not centered
xyplot(b ~ a | d, e,
scales = list(y = list(relation = "free", rot = 0)),
aspect = 1.8, layout = c(3, 1),
strip = F,
xlab.top = myXlabGrob('Trial number',
'Subject number',
'Experimental condition')
)
Is there something extra you can do with xlab.top?
Otherwise you could do it with grid.text but that is a bit of a pain.
HTH
GTG
Duncan
Duncan Mackay
Department of Agronomy and Soil Science
University of New England
Armidale NSW 2351
Email: home: [email protected]
At 01:47 26/02/2013, you wrote:
Hi,
I created a xyplot with a three-column layout. As suggested by
Deepayan I tried to put titles to each column by using xlab.top.
Unfortunately, as my y-axis scale relation = "free", the column
titles are not centered at the three x axes anymore. Any idea how to
center the titles?
#Example:
require(lattice)
#require(latticeExtra)
e <- data.frame(a = c(1:30), b = c(1:10, 20:29, 990:999),
d = c(rep("A", 10), rep("B", 10), rep("C", 10)))
#column titles centered for relation = "same"
xyplot(b ~ a | d, e,
scales = list(y = list(relation = "same", rot = 0)),
aspect = 1.8, layout = c(3, 1),
xlab.top = c("This is centered", "Bla", "Bla")
)
#column titles not centered for relation = "free"
xyplot(b ~ a | d, e,
scales = list(y = list(relation = "free", rot = 0)),
aspect = 1.8, layout = c(3, 1),
xlab.top = c("This is not centered", "Bla", "Bla")
)
# end of example
Best regards,
manuel
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and provide commented, minimal, self-contained, reproducible code.
