On Sun, Feb 05, 2012 at 06:54:02AM -0800, Alaios wrote: > Dear all > I am using lapply (actually mclapply that share the same syntax). > > I want to call the same function that takes as input a vector. My initial > data structure is a matrix that I want to cut it to multiple vectors (one > vector for every row of the matrix) and then feed that to the function by > using mclapply. > > Could you please help me converting the matrices to nrow times vectors.
Hi. Try the following a <- matrix(1:16, nrow=4) x <- lapply(apply(a, 1, FUN=list), unlist) x [[1]] [1] 1 5 9 13 [[2]] [1] 2 6 10 14 [[3]] [1] 3 7 11 15 [[4]] [1] 4 8 12 16 Hope this helps. Petr Savicky. ______________________________________________ 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.
