well, I found id the simplest answer is: d<- approx(density(x),xout=...) where xout is a vector of the points where the data should be sampled -- View this message in context: http://r.789695.n4.nabble.com/how-to-get-vector-of-data-from-line-tp3076943p3077058.html Sent from the R help mailing list archive at Nabble.com.