[R] Unspecified [upper] xlim/ylim?

[Felix Andrews]

You can use one-sided limits like ylim = c(0, NA), xlim = c(NA, 1) in
ggplot2 and lattice >= 0.18 (approximately; the version with R 2.11.0
will do it).

-Felix


On 16 June 2010 01:49, Ted Harding <Ted.Harding at manchester.ac.uk> wrote:
> Greetings!
> I would like to be able to specify a fixed (say) lower limit
> for plotting, while leaving the upper limit "floating, when
> plotting. The context is that the maximum in the data to be
> plotted is unpredictable, being the consequence of a simulation,
> whereas I know that it cannot be less than (say) 0; and I want
> to fix the lower limit at 0 in any plot, leaving the upper limit
> to be assigned by plot() as a result of the computed values.
>
> I know I can do this by determining the max() of the data, and
> then computing a "Ymax" to put in (say) ylim = c(0,Ymax). However,
> for certain reasons, I would prefer not to have to do this.
> (And it's just a preference ... ).
>
> Whereas one can leave the whole issue of setting both plotting
> limits to plot(), by not specifying ylim (or xlim), or one can
> explcitily specify both the upper and lower limits by (say)
> ylim=c(Ymin,Ymax), there seems to be no way of fixing one and
> leaving the other floating so that plot() would do its own thing.
>
> ylim requires two numbers to be given. Things like ylim=c(0,)
> or ylim=c(0,NA) would generate an error.
>
> Am I chasing a phantom? Or is there a way?
> ThanksTed.
>
> --------------------------------------------------------------------
> E-Mail: (Ted Harding) <Ted.Harding at manchester.ac.uk>
> Fax-to-email: +44 (0)870 094 0861
> Date: 15-Jun-10                                       Time: 16:49:09
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