hi, hi all you can use the function 'triangle.plot' of the library ade4. there are several example in the help (?triangle.plot).
Pierre Selon Christos Hatzis <[EMAIL PROTECTED]>: > You might want to try 'ternaryplot' from the 'vcd' package. I haven't used > it myself but it appears to be quite flexible and since it is based on the > grid graphics system it is highly extensible. > > -Christos > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Dan Bolser > Sent: Monday, April 03, 2006 9:41 AM > To: [email protected] > Subject: [R] Ternary or Triangular Plots (soil texture triangle plot)? > > > Hi, > > I am trying to create a triangular plot to show the 'composition' of a set > of items with three variables (historically the percent sand, silt and clay > in soil). > > So far I have tried the 'soil texture triangle plot' in the package plotrix > and the 'ternary or triangular plots' in the package cwhtool (cwhmisc). Both > have strengths and weaknesses, but neither has a 'standard' or 'generic' > feel about it. > > To save myself time I would like to ask the list if there is a preferred or > standard implementation of the triangle plot that will let me, > > * Label the three axes > * Specify a range for the three axis > * Label each point with a string > * Add lines perpendicular to each axis > > Or in general if there is an implementation of the triangle plot which > supports the standard plotting options. > > Thanks very much for any pointers, > > Dan. > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > -------------------------------------------------------------------------- Ce message a été envoyé depuis le webmail IMP (Internet Messaging Program) ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
