On 2011-12-01 08:54, emorway wrote:
Hello,
A bit of fairly simple code, yet I don't seem to be able to manipulate it
quite as much as I would like:
1) It would be nice if the objects appearing in the legend were aligned,
and by aligned I mean the boxes are centered over the lines. Do I need to
adjust the use of "NA" in the code below to accomplish this? Here's how it
appears on my machine:
http://r.789695.n4.nabble.com/file/n4129402/example.png
2) Because I'm using a call to 'expression' in the text contained in the
legend, it would be nice to space the lines of text a bit more. My feeble
attempt was to increase the lheight parameter in the hopes this would affect
the legend...to no avail. Further, lheight cannot be added to the argument
list of legend. I've been unable to track down another parameter applicable
to legend, suggestions very much appreciated.
par(lheight=2)
plot(1,1,col="white")
legend("center", legend=c(expression(paste("Observed
",italic(bar(EC)[e]))),expression(paste("Simulated
",italic(bar(EC)[e]))),"test1","test2"),
lty = c(NA,NA,1,1),
col = c("black","black","red","blue"),
density = c(NA,25,NA,NA),
border=c("black","black",NA,NA),
fill = c("grey","black",NA,NA),
angle = c(NA,45,NA,NA),
cex = 1.25, bty = "n", xpd = TRUE)
You can adjust the alignment a little by adding 'merge = TRUE';
this will left-align both the boxes and the lines.
For your second question, use the y.intersp argument, e.g.
'y.intersp = 2'.
You might also avoid using 'paste' in your expressions;
Try replacing
expression(paste("Observed",italic(bar(EC)[e])))
with
expression("Observed"~italic(bar(EC)[e]))
Peter Ehlers
sessionInfo()
R version 2.13.2 (2011-09-30)
Platform: x86_64-pc-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United States.1252
[2] LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] tools_2.13.2
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