[R] Multiple Plotting help (lines don't always connect)

hadley wickham h.wickham at gmail.com
Tue Aug 19 00:15:44 CEST 2008

On Mon, Aug 18, 2008 at 3:54 PM, Rolf Turner <r.turner at auckland.ac.nz> wrote:
> On 19/08/2008, at 1:04 AM, stephen sefick wrote:
>> The real data are counts of aquatic insects at distinct locations on a
>> river continuum on the way down a river,  so the when a point point on
>> the graph is missing (lost sampling equipment for that month) the
>> points downstream (toward the right) are valid to show a trend.
>> Aren't they?
> Quite possibly; I wouldn't really know.  However it would be less than
> honest to plot the interpolated/inferred points as if they were genuine
> data points.  By all means plot the interpolations, but distinguish them,
> e.g. by joining them to their neighbours by dotted lines (where real points
> are joined to each other by solid lines).

x <- sort(runif(10))
y <- runif(10)

plot(x, y, type="l")

Doesn't a line plot inherently display a set of linear interpolations?



More information about the R-help mailing list