[R] disappointed with x-axes in hist and density plots

Joel F. Kincaid jfkincaidsu at netscape.net
Thu Jun 17 20:53:05 CEST 2004

  x <- rnorm(1000)
 > y <- rnorm(1000)
 > plot(x,y)
 > axis(1,-4,4)
(speculation that attempting above ... not what you want to do...)
rather do

 > plot(x,y,xlim = c(-4,4))

Rishi Ganti wrote:
> Thanks, but even with axis() I can't get the x-axis to extend to the sides.
> Try, e.g., 
> x = rnorm(1000)
> you should have some values in excess of 3 (or below -3).
> I want to draw the x-axis from -4 to 4, thus encapsulating all points.
> axis(1,-4:4)
> but it won't draw. It TRIES to draw it, but I don't see a -4 or 4 on the plot.
> ----- Original Message -----
> From: Thomas Lumley
> Sent: 6/17/2004 9:53:33 AM
> To: rishi at post.harvard.edu
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] disappointed with x-axes in hist and density plots
>>On Thu, 17 Jun 2004, Rishi Ganti wrote:
>>>I've got a few issues with the x-axes in the histogram and density plots.  First,
>>>often the default x-axis doesn't even extend to the length of my data. R often draws
>>>histogram bars  (or density lines) farther than the drawn x-axis extends. For example,
>>>I might have a histogram bar at -15,000. But I wouldn't know that, because the most
>>>negative number on the x-axis is -10,000.  The second issue is the use of scientific
>>>notation. Yes I can read it, but I don't prefer it. Is there any way for R just
>>>to print out 1000000 and not 1e+6 on these charts?  Thanks for your help.  Rishi
>>You can use the axis() function to draw axes with any set of labels you
>>  -thomas
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