Thank you guys. It was really worthy! On 11 March 2013 16:10, William Dunlap <wdun...@tibco.com> wrote:
> Also, type="h", in plot(), points(), or lines() draws vertical line > segments between (x,y) > and (x,0). E.g., > points(x=c(5.0,5.5,6), y=c(0.12,0.60,0.20), type="h") > does the same as > segments(x0=c(5.0,5.5,6), y0=c(0,0,0), x1=c(5.0,5.5,6), > y1=c(0.12,0.60,0.20)) > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > > > > -----Original Message----- > > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf > > Of Sarah Goslee > > Sent: Monday, March 11, 2013 8:49 AM > > To: Naser Jamil > > Cc: R help > > Subject: Re: [R] vertical lines in R plot > > > > Like this: > > > > segments(x0=c(5.0,5.5,6), y0=c(0,0,0), x1=c(5.0,5.5,6), > y1=c(0.12,0.60,0.20)) > > > > If you wanted them to extend the entire height of the plot, > > abline(v=c(5.0,5.5,6)) > > is simpler. > > > > Thanks for the reproducible example, > > Sarah > > > > On Mon, Mar 11, 2013 at 10:10 AM, Naser Jamil <jamilnase...@gmail.com> > wrote: > > > Dear All, > > > May I seek your suggestion on a simple issue. I want to draw vertical > lines > > > at some positions in the following R plot. To be more specific, I wish > to > > > draw vertical lines at d=c(5.0,5.5,6) and they should go till > > > p=c(0.12,0.60,0.20) . I haven't found any way out, though made > several > > > attempts. Please run the following commands first if you are > interested in! > > > > > > ####################################################### > > > > > > psi1<-function(alpha1,beta1,alpha2,beta2,d){ > > > exp(alpha1+beta1*d)/((1+exp(alpha1+beta1*d))*(1+exp(alpha2+beta2*d))) > > > } > > > alpha1<--3.5 > > > beta1<-1 > > > alpha2<--6 > > > beta2<-0.72 > > > > > > d<-seq(0.5,10,0.01) > > > plot(d,psi1(alpha1,beta1,alpha2,beta2,d),type="l",pch=18, ylim=c(0,1), > > > xlab="Dose", ylab="Probabilitty") > > > > > > ########################################################## > > > > > > > > > Many thanks for the help! > > > > > > Regards, > > > Jamil. > > > > > > > -- > > Sarah Goslee > > http://www.functionaldiversity.org > > > > ______________________________________________ > > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
