[R] click on graph and select data points?

[Katharine Mullen]

if you are interested in a solution using the tcltk package, then an
idea is to base a solution on the code for the demo "tkcanvas".

after installing the tcltk package, then

require(tcltk)
demo(tkcanvas)

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Katharine Mullen
Department of Physics and Astronomy
Faculty of Sciences
Vrije Universiteit Amsterdam
de Boelelaan 1081
1081 HV Amsterdam
The Netherlands
room: T.1.06
tel: +31 205987870
fax: +31 205987992
e-mail: kate at nat.vu.nl
http://www.nat.vu.nl/~kate/