Is this what you want: mydata <- c(268,251,254,250,244,246,247,243,241,243) plot(mydata, type="o") # choose a min y value minY <- 240 polygon(c(1, 1:10, 10), c(240, mydata, 240), col='red')
On Fri, Oct 24, 2008 at 12:17 PM, Alastair Andrew <[EMAIL PROTECTED]> wrote: > > Hi, > > I'm sure this should be fairly simple to do but I haven't found an example. > I have 10 data points which are plotted as a line, I want to shade under > this line with a colour. Other examples have shading under curves where > there are two sets of data use polygons. > > mydata <- c(268,251,254,250,244,246,247,243,241,243) > plot(mydata, type="o") > polygon(c(ppp$total,length(ppp$total)), col="red") > > This gives me almost what I want but the line from the x-axis up to the > first point on the line is squint. Could anyone suggest how to create my > polygon so that it correctly shades underneath the line? > > Thanks, > Alastair > -- > View this message in context: > http://www.nabble.com/Shading-underneath-a-line-plot.-tp20153115p20153115.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ R-help@r-project.org 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.
