Hello everybody, i'm having some trouble performing correspondence analysis with R for Mac OS X. Does anyone know about some useful package? And also, if i had found coordinates of points representing row and column profiles, how do i put them in a single figure with labels identifying each one of them? This thing is getting me almost crazy... Thank you in advance for answering, bye Emanuele
On 7/20/2006 10:38 AM, Emanuele Mazzola wrote:> Hello everybody, > > i'm having some trouble performing correspondence analysis with R for Mac OS > X. Does anyone know about some useful package? > And also, if i had found coordinates of points representing row and column > profiles, how do i put them in a single figure with labels identifying each > one of them? > This thing is getting me almost crazy...See the corresp() function in MASS and the cca() function in vegan. Both of these can produce biplots. Duncan Murdoch
Hi, Hi all,> i'm having some trouble performing correspondence analysis with R for Mac OS > X. Does anyone know about some useful package? > And also, if i had found coordinates of points representing row and column > profiles, how do i put them in a single figure with labels identifying each > one of them? > This thing is getting me almost crazy.you can see the package vegan and/or ade4: library(vegan) ?cca ?plot.cca # argument: type library(ade4) ?dudi.coa ?scatter.coa ?s.label # arguments: add.plot and label hope this help :) Pierre
On Thu, 2006-07-20 at 14:38 +0000, Emanuele Mazzola wrote:> Hello everybody, > > i'm having some trouble performing correspondence analysis with R for Mac OS > X. Does anyone know about some useful package? > And also, if i had found coordinates of points representing row and column > profiles, how do i put them in a single figure with labels identifying each > one of them? > This thing is getting me almost crazy... > > Thank you in advance for answering, > bye > EmanueleA summary of packages/functions providing ordination methods including CA is in the Environmetrics Task View on CRAN, e.g.: http://www.stats.bris.ac.uk/R/src/contrib/Views/Environmetrics.html HTH G -- %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% *Note new Address and Fax and Telephone numbers from 10th April 2006* %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~% Gavin Simpson [t] +44 (0)20 7679 0522 ECRC [f] +44 (0)20 7679 0565 UCL Department of Geography Pearson Building [e] gavin.simpsonATNOSPAMucl.ac.uk Gower Street London, UK [w] http://www.ucl.ac.uk/~ucfagls/cv/ WC1E 6BT [w] http://www.ucl.ac.uk/~ucfagls/ %~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%~%