I assume you mean that you want the first point to be connected by a straight line to the third, etc. because fisrt and sixth points are shown on the plot. If so, you can use the approx function:
plot(approx(Day,V,n=length(Day)), type="l") points(Day,V) On 02 Oct 2006 15:31:59 +0100, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Dear R-help list, > > I hope I did not miss something obvious, because my question seems very > simple, but I couln't figure out how to do it. > > If I have the following data: > Day<-c(1,2,3,4,5,6,7) > V<-c(5,NA,10,30,45,NA,10) > than the line in plot > > plot(V~Day, type="b") > > will start with the 3rd value and stop stop at the 5th value because all NA > are omitted. Is there now a parameter which can be added to the plot > function so the line will start with with the first value and skip the NA > values and can this than applied to xyplots. > > Many thanks > > ______________________________________________ > 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. > -- ================================= David Barron Said Business School University of Oxford Park End Street Oxford OX1 1HP ______________________________________________ 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.