On 16/04/2008 7:33 PM, Yuan Jian wrote: > Hello, > I have a matrix, I want to change value to 0 when a element in the matrix > has less than 10. > do you know how to do it without using loops?
A[A < 10] <- 0 Remember that matrices are just vectors with dimensions, so you can index one like a vector. Duncan Murdoch ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel