R plot problems

[...] I want to rotate the direction of  x-coordinates' letter so that it 
can show all. But I don't know how to write this option or function .

I'm not sure if I've understood your question correctly. But if you use 
base graphics and want e.g. rotated labels, you'll achive this rather 
easily using functions in the gridBase package. (Take a look at the package 
vignette for an  example that'll get you started.)

Henric

Dear Li,

If you are using base grafics, you use the argument srt (see help(par)),

if you are using latice, you use rot argument.
For example:

scala=list(y=list(alternating=F, draw=T, rot=0,tick.number=6),
x=list(alternating=F, draw=T, rot=0, tick.number=8))
xyplot(xx ~ yy, data=b, scale=scala)

hope this helps,
All the best
Marta


----- Original Message ----- 
From: "Henric Nilsson" <henric.nilsson at statisticon.se>
To: "Ivy_Li" <Ivy_Li at smics.com>
Cc: <r-help at stat.math.ethz.ch>
Sent: Friday, October 15, 2004 10:38 AM
Subject: Re: [R] R plot problems

At 16:17 2004-10-15 +0800, you wrote:

[...] I want to rotate the direction of  x-coordinates' letter so that it
can show all. But I don't know how to write this option or function .

I'm not sure if I've understood your question correctly. But if you use
base graphics and want e.g. rotated labels, you'll achive this rather
easily using functions in the gridBase package. (Take a look at the

package

vignette for an  example that'll get you started.)

Henric

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If you are using base grafics, you use the argument srt (see help(par)),

How do you get a, say, 45 degree rotation of the axis labels using `srt'? 
The help page for par's `las' argument says

"Note that other string/character rotation (via argument srt to par) does 
not affect the axis labels"

Henric

At 10:51 2004-10-15 +0100, you wrote:

If you are using base grafics, you use the argument srt (see help(par)),

How do you get a, say, 45 degree rotation of the axis labels using `srt'? 
The help page for par's `las' argument says

"Note that other string/character rotation (via argument srt to par) does 
not affect the axis labels"

Henric

See the new R FAQ:

7.27 How can I create rotated axis labels?

HTH,

Marc Schwartz