On 4/25/2013 8:00 PM, Jana Makedonska wrote:
Hi Everyone,
I am working with the R function "dataEllipse". I plot the 95% confidence
ellipses for several different samples in the same plot and I color-code
the ellipse of each sample, but I do not know how to specify a different
line pattern for each ellipse. I can only modify the pattern for all
ellipses with the "lty" argument. Any help will be highly appreciated.
lty is not an argument of car::dataEllipse, but is passed via ...
So, when you use the groups= argument, only a single value gets used.
You would have to modify the function to allow what you want.
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept. & Chair, Quantitative Methods
York University Voice: 416 736-2100 x66249 Fax: 416 736-5814
4700 Keele Street Web: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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