[R] Connecting lines across missing data points, xyplot

Jim Lemon jim at bitwrit.com.au
Fri Jun 27 14:14:57 CEST 2008

David Afshartous <dafshartous at med.miami.edu> wrote:

> >  All,
> >
> >  I have data across 5 time points that I am graphing via xyplot, along with
> >  error bars.  For one of the variables I have missing data for two of the
> >  time points.  The code below is okay but I can't seem to get the lines to
> >  connect across the missing time points.  Does anyone now how to rectify
> >  this?
Hi David,
If you just have one or a few plots to do, I would suggest manually
inserting the lines with "segments" or "lines", and changing the line
type so that it is obvious that these line represent something different
from the initial ones.


More information about the R-help mailing list