[R] barplots with pictex
Faheem Mitha
faheem at email.unc.edu
Tue Feb 6 20:36:53 CET 2001
Dear R People,
I want to include a barplot corresponding to a simple discrete probability
distribution in a LaTeX document. I decided to use the pictex
driver. After a certain amount of messing about, I came up the stuff
below. It does not look too bad, however, there is one very obvious piece
of weirdness, ie. the y axis terminates at 0.1 and does not extend down
further. I tried to adjust this by changing ylim to c(-0.1,0.5) but then
the labelling -3, -2 ... moves further down. Can anyone suggest how to
correct this problem?
I am not sure what significance xlim has in this situation. I set it equal
to c(-3,10) but then it cut off half the graph. So I just left it off.
Yes, I did look at the online help, but still had difficulties.
Two more comments: 1) If anyone can suggest a better way of doing this,
please let me know. 2) Are there any obvious advantages to using pictex
instead of say eps? I thought there might be an advantage to being able to
adjust parameters by hand, but the pictex code that is put out by the
driver is quite complicated, and in any case no documentation comes for
pictex (you have to buy the manual), so I don't know what I am doing
anyway.
pictex(file="barplot.tex",width=6,height=3, debug=FALSE,bg
="white",fg="black")
barplot(c(0.1,0.2,0.2,0.4,0,0,0,0,0,0,0,0,0,0.1),names.arg=
c("-3","-2","-1","0","1","2","3","4","5","6","7","8","9","10"),
ylim=c(0,0.5),xlab="Values of x",ylab="Probability
values",sub=NULL,
style="old",main="Probability Histogram")
dev.off()
Sincerely, Faheem Mitha.
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