Moreno, I don't understand exactly what it is you are trying to do. Can you explain what you want your matrices to look like? Perhaps give an example.
Bryan ------------- Bryan Keller, Doctoral Student/Project Assistant Educational Psychology - Quantitative Methods The University of Wisconsin - Madison ----- Original Message ----- From: Moreno Mancosu <nom...@tiscali.it> Date: Monday, September 21, 2009 9:21 am Subject: [R] Combine vectors in order to form matrixes with combn To: r-help@r-project.org > Hello! > > I've a problem with the combn function and a set of vector. I > would like to make a simple combination where, instead of scalars, i > would like to combine vector, in order to form matrixes. > In other > words, i have nineteen 6-items vectors (for example coef1-coef19), > that > i would like to combine in n!/k!(n-k)! 6x6 matrixes. > > I tried with a > code like this > > mma <- combn(c(coeff1,coeff2,...,coeff19),function(x) > matrix(x,6,6)) > > but i think that R doesn't recognize that these are not > scalars. In fact the error is: > > Errore in matrix(r, nrow = len.r, ncol > = count) : > invalid 'ncol' value (too large or NA) > Inoltre: Warning > message: > In combn(c(coeff1, coeff2, coeff3, coeff4, coeff5, coeff6, > coeff7, : > si รจ prodotto un NA per coercizione > > > Some ideas? > > Thanks > in advance, > > Moreno > > > Tutto Incluso Light: chiami e navighi senza limiti a soli 9,95 euro al > mese. Gratis la Sim Tiscali Mobile con 25 euro di traffico! ATTIVA ORA > > http://abbonati.tiscali.it/telefono-adsl/prodotti/tc/tuttoincluso_light/ > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
