Thanks very much, and...Which do you recommend? ----- Mario Garrido Escudero PhD student Dpto. de Biología Animal, Ecología, Parasitología, Edafología y Qca. Agrícola Universidad de Salamanca -- View this message in context: http://r.789695.n4.nabble.com/R-in-Linux-Ubuntu-tp3703329p3704107.html Sent from the R help mailing list archive at Nabble.com.