Sorry for the previuos message: it was incomplete (I'm used to the emacs keys while under eudora Ctrl-E means: send...) The ESS error is about "ess-loop-timeout" (I bypassed the problem increasing the value of the variable) Any suggestion? Thank you, Stefano ******************************* Stefano Calza Istituto di Statistica Medica e Biometria Universit? degli Studi di Milano Via G. Venezian, 1 20133 Milano tel. +39 02/2361302, 02/70600908 fax 02/2362930 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- 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 _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._