<http://r.789695.n4.nabble.com/file/n4646789/1.bmp> hi is it possible to draw a graph like the attached one using ggplot? how should i code it in r? thanks. -- View this message in context: http://r.789695.n4.nabble.com/ggplot-specify-line-type-tp4646789.html Sent from the R help mailing list archive at Nabble.com.