giacomo moro wrote: > > I would like to count the columns of a data.frame. I know how to > count the rows, but not the columns. Can someone tell me how to do > it? ncol(data.frame) -- Ramón Casero Cañas http://www.robots.ox.ac.uk/~rcasero/wiki http://www.robots.ox.ac.uk/~rcasero/blog