Hi Have you searched the R-project web? There are plenty of "overlay" commands.
Have you looked at plot help page? The first example shows you how to put line on existing scatterplot. So plot, lines and points are the basics for standard plot customisation. HTH Petr On 19 Sep 2006 at 22:50, Mauricio Cardeal wrote: Date sent: Tue, 19 Sep 2006 22:50:45 -0300 From: Mauricio Cardeal <[EMAIL PROTECTED]> To: r-help@stat.math.ethz.ch Subject: [R] multiple lines and plot > Hi. Please, how can I put together 2 or more lines at the same > scatterplot ? Example: measures of protein intake (quantitative) of 4 > children over 30 days, by day. How to plot all children at same > graphic: Protein X Time ? Is there any command like "overlay" ? > > Thank you, > Mauricio > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html and provide commented, > minimal, self-contained, reproducible code. Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.