Hi, It's trivial with ggplot2,
library(ggplot2) qplot(tp,dp, geom="line") + scale_y_reverse() HTH, baptiste 2009/9/23 David Winsemius <dwinsem...@comcast.net>: > > On Sep 23, 2009, at 7:58 AM, FMH 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') >> ##################### > > Perhaps: > > 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 >> > > > David Winsemius, MD > Heritage Laboratories > West Hartford, CT > > ______________________________________________ > 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.