[R] plotting lines that break if data break

Gabor Grothendieck ggrothendieck at gmail.com
Wed Feb 8 04:06:59 CET 2006


It does break already.  Try this:

plot(1:10, c(1:5,NA,7:10), type = "l")
plot(c(1:5,NA,7:10), 1:10, type = "l")



On 2/7/06, Denis Chabot <chabotd at globetrotter.net> wrote:
> Hi,
>
> Sometimes data series (not necessarily time series) suffer breaks
> where data were expected, but not collected. Often the regular
> "lines" command to add such data to a plot is what I want, but other
> times I'd like the line to break where the data series is
> interrupted, instead of the line jumping to the next point in the
> series uninterrupted. Usually my data file contain one value of x but
> none of y, but alternatively a break could also appear as a NA value
> for both x and y.
>
> I have found I could use the "segments" command instead of "lines",
> but this seems to require I manipulate my data (which may or may not
> contain breaks, and the number of breaks can vary if there are breaks
> at all).
>
> Is there another command that works like "lines" but will break the
> line if the data series suffer an interruption?
>
> Sincerely,
>
> Denis Chabot
>
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