[R] lines and points without margin

Andrew Collier collierab at gmail.com
Tue Dec 14 16:33:57 CET 2010


i am sure that this is a trivial question but i have not been able to
find an answer by searching the mailing lists. i want to plot points on
a graph, joined by lines. the command that i am using is

points(x, y, type = "b", pch = 21)

this plots nice open circles at the data points and draws lines between
them. however, the lines do not come all the way up to the edge of the
circles but stop some small distance away so that there is an empty
"margin" around the circles. is there a way to get rid of this margin?
my first guess was that there would be an option to par() but i did not
find anything there. any suggestions would be appreciated.


best regards,

Andrew B. Collier

Waves and Space Plasmas Group
Hermanus Magnetic Observatory

Honorary Senior Lecturer                             tel: +27 31 2601157
Space Physics Research Institute                     fax: +27 31 2607795
University of KwaZulu-Natal, Durban, South Africa    gsm: +27 83 3813655

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