Re: [R] Plotting extra lines on scatterplot

2009-05-01 Thread John Fox
) to the plot." I hope this helps, John > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Tony Laidig > Sent: May-01-09 4:14 PM > To: r-help@r-project.org > Subject: [R] Plotting extra lines on scatter

[R] Plotting extra lines on scatterplot

2009-05-01 Thread Tony Laidig
Hello Everyone- I'm in the process of slowly learning R and am having a little bit of trouble plotting an extra line onto a scatterplot. I'm sure the answer is quite simple but I am stumped. The code I am using is: headways <- read.table("headways.csv", header=TRUE, sep=",", na.strings="", d