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Dear List, I am using the wireframe function in the lattice package, and I am wondering if it is possible to invert the default axes orientation for x and y axes... what parameter should I look for? Best regards, Simone Gabbriellini

...as result. Could you please point me in the right direction about the combination of functions that I need to accomplish this task? Best regards, Simone -- Simone Gabbriellini, PhD PostDoc at DISI, University of Bologna mobile: +39 340 39 75 626 email: simone.gabbriellini at unibo.it home: www.digitaldust.it DigitalBrains srl Amministratore mobile: +39 340 39 75 626 email: simone.gabbriellini at digitalbrains.it home: www.digitalbrains.it

...rray(0, c(150, 100)) for (prova in 1:100){ for (i in 1:24){ for (q in 1:150){ data[q,i]<-sample(0:3, 1) } } for (riga in 1:150){ data2[riga,prova]<-sum(data[riga,]) } } now here you can find the plotted theoretical values (black) against the empirical ones (red): http://www.digitaldust.it/papers/indice.png How can I estimate the density of both distribution? because the red one looks like a pareto distribution, but I am not an expert... many thanks, Simone