search for: 3x3x3x4

Displaying 1 result from an estimated 1 matches for "3x3x3x4".

Did you mean: 3x3x3
2010 Mar 15
5
storing matrix(variables) in loop
Hello R-helpers, I have the following code that works well, b <-list() for (i in 1:3){ a <- matrix(runif(1),3,3) b[[i]] <- a } b however, I need to do something similar with two loops and I was looking for something that would look like b <- list() for (i in 1:3){ for (j in 1:4){ a <- matrix(runif(1),3,3) b[[i,j]] <- a #but this doesn?t work } } Anyway, I wanted