According to ... http://info.ngwa.org/gwol/pdf/721000139.PDF (Graphical Interpretation of Water Quality Data) ... a Langelier-Ludwig plot is simply a scatterplot of cations vs. anions (in percent). Surely that would be beyond trivial to produce in R. Or am I missing a subtle something?
Cheers, B. On Jul 22, 2015, at 11:50 AM, Rich Shepard <rshep...@appl-ecosys.com> wrote: > My web search for an R package producing Langelier-Ludwig plots found no > hits. Has this been implemented in base graphics, lattice, ggplot2, or > another package? > > The reference: > > Langelier, W., and Ludwig, H., 1942, Graphical methods for indicating the > mineral character of natural waters: J. Am. Water Ass., 34, p. 335-352. > > Rich > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.
