[R] plots

Ko-Kang Kevin Wang kwan022 at stat.auckland.ac.nz
Tue Apr 29 23:56:29 CEST 2003


On Tue, 29 Apr 2003, Anna  H. Pryor wrote:

> The first is when I use xlab, the labels on my tic marks disappear.  Is there 
> a way to make them reappear?  Also, is there a way to make my own labels for 
> the tick marks?

Which version of R are you using on which platform?  Which plot were you 
trying to draw that cause this?  Can you give us some reproducible 

The example seems to work fine:

plot(1:10, xlab = "A Label", ylab = "Another Label",
     axes = FALSE)
axis(1, at = seq(1, 10, by = 2),
     labels = c("a", "b", "c", "d", "e"))
axis(2, at = seq(1, 10, by = 2),
     labels = c("f", "g", "h", "i", "j"))


> My second question is, after I have spent a lot of time getting my plot to 
> look just right, I want to save it to a file, but the only way I seem to know 
> how to do it is to first use postscript() and then make the plot and then use 
> dev.off().  I keep forgetting to do this, and I am wasting so much time.  Is 
> there a way to save the plot after I have already made it?

You should be typing your R codes in a text editor (whatever platform 
you're working on).  Then copy and paste the codes into R.  This way you 
are not only able to make changes easily but also you have a good way to 
keep your history.

There are other graphics formats available, such as png(), pdf()...etc.



/* Time is the greatest teacher, unfortunately it kills its students */

Ko-Kang Kevin Wang
Master of Science (MSc) Student
SLC Tutor and Lab Demonstrator
Department of Statistics
University of Auckland
New Zealand
Homepage: http://www.stat.auckland.ac.nz/~kwan022
Ph: 373-7599
    x88475 (City)
    x88480 (Tamaki)

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