I believe that functions yline {fields} xline {fields} are what you´re looking for try to type yline(c(.25,.75)) That shoud do that Best Regards Zbynek Janoska -- View this message in context: http://r.789695.n4.nabble.com/How-can-I-draw-a-line-in-empirical-distribution-function-tp3090675p3090711.html Sent from the R help mailing list archive at Nabble.com.
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