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should help you. HTH .... Peter Alspach > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of David Hervas Marin > Sent: Thursday, 27 January 2011 12:02 p.m. > To: R-Help > Subject: [R] Colour area under density curve > > Hello, > > I have this code to plot a certain normal distribution and represent > the pnorm value for a certain "x": > > > x<-300 > xx <- seq(2.5,7.5, by=0.1) > yy <- dnorm(xx,5.01,0.77) > d<-signif(pnorm(log(x), 5.01,0.77),4) > xpts <- round(exp(0:8)) > par(bg = "antiquewhite") > plot(xx,yy, type="l", col="blue", lwd=2, xaxt="n", > xlab=expression(ufc/m^3), > ylab="Densidad") > axis(1, at=log(xpts, base=exp(1)), lab=xpts) > n<-0 > for (i in 1:(dnorm(log(x), 5.01,0.77)/0.005)){ > n<-n+0.005 > points(log(x), n, pch=16, cex=0.3)} > points(log(x),-0.01,pch=24,cex=2,bg='RED') > text(log(x)+0.4, 0.004, paste(d*100, "%")) > > I'd like to colour the area under the curve left to my "x". Is there > any way? > > Thanks in advance > > > _____________________ > David Hervás Marín > > > > [[alternative HTML version deleted]] The contents of this e-mail are confidential and may be subject to legal privilege. If you are not the intended recipient you must not use, disseminate, distribute or reproduce all or any part of this e-mail or attachments. If you have received this e-mail in error, please notify the sender and delete all material pertaining to this e-mail. Any opinion or views expressed in this e-mail are those of the individual sender and may not represent those of The New Zealand Institute for Plant and Food Research Limited. ______________________________________________ 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.