Try this, d <- na.omit(data.frame(tp,dp)) plot(d, t="l", ylim=rev(range(d$dp)))
?na.omit HTH, baptiste 2009/9/23 FMH <kagba2...@yahoo.com>: > Thank you for the code. I found that the coding does not work if there is an > NA in dp variable. For instance; > > ##################### > dp <- c(1,4,NA,2,5,7,9,8,9,2) > tp <- 1:10 > plot(tp,dp, type= 'l',ylim=rev(range(dp))) > ##################### > > If this is the case, how could we rewrite the coding? > > Thank you > Fir > > > > > ----- Original Message ---- > From: jim holtman <jholt...@gmail.com> > To: FMH <kagba2...@yahoo.com> > Cc: r-help@r-project.org > Sent: Wednesday, September 23, 2009 1:04:21 PM > Subject: Re: [R] Problem in graph plotting > > try this: > > plot(tp,dp, type= 'l',ylim=rev(range(dp))) > > > On Wed, Sep 23, 2009 at 7:58 AM, FMH <kagba2...@yahoo.com> wrote: >> Dear All, >> >> Let: >> dp: depth of the river >> tp: temperature with respect to depth >> >> We can have a simple scatter plot, between depth as y-axis and temperature >> as x-axis, by using a plot function as shown below. >> >> ##################### >> dp <- c(1,4,3,2,5,7,9,8,9,2) >> tp <- 1:10 >> plot(tp,dp, type= 'l') >> ##################### >> >> Could someone advice me on the way to plot the same pair of observations, >> but with depth in descending order from the origin. Instead of depth, I >> tried to simply use rev(depth), but the result was bizarre. >> >> Thank you >> Fir >> >> >> >> >> ______________________________________________ >> 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. > ______________________________________________ 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.