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.