Just a word to say thanks for your help. Yes, in order to install R packages I needed ncurses-devel which was not installed. Many thanks Rachid -- Dr. Rachid Cheddadi Centre universitaire Arles Tel: 00.33.(0)4.90.96.18.18 European Pollen Database Fax: 00.33.(0)4.90.93.98.03 CNRS - UMR 6116 rachid.cheddadi at wanadoo.fr 13200 Arles - France rachid.cheddadi at vmesa12.u-3mrs.fr -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._