Hi
Charles C. Berry wrote: > On Thu, 14 Dec 2006, Robin Hankin wrote: > >> Hi >> >> I have two datasets, A and B, consisting of two columns of numbers >> representing x and y coordinates. >> >> They have 10 and 6 rows respectively. >> >> I want to plot two scattergraphs, one above the other. >> >> The lower graph to contain A (10 points) and the upper >> graph to contain B (six points). >> >> The x-axes of the two graphs must line up. >> >> I then want to draw straight lines that connect points >> of B to a particular point (or points) of A. >> >> How do I do this? > > Use the grid package. > > You'll want to study the xscale arg of the viewport function (to set up > your two plots using the same scale) > > Calls to grid.move.to, seekViewport, and grid.line.to can be used to > connect points in different plots (viewports) See the example in "The grid Graphics Package" R News 2(2) http://cran.r-project.org/doc/Rnews/Rnews_2002-2.pdf Paul >> [...] > > Charles C. Berry (858) 534-2098 > Dept of Family/Preventive Medicine > E mailto:[EMAIL PROTECTED] UC San Diego > http://biostat.ucsd.edu/~cberry/ La Jolla, San Diego 92093-0717 > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Dr Paul Murrell Department of Statistics The University of Auckland Private Bag 92019 Auckland New Zealand 64 9 3737599 x85392 [EMAIL PROTECTED] http://www.stat.auckland.ac.nz/~paul/ ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
