ll2a: Convert list of lists of numbers to array
In barkasn/nbHelpers: Various Useful Helper Functions

Description Usage Arguments Value Examples

Converts lists of lists of numbers to a numeric array fast this has been optimised against other possible implementations and been found to the the fastest

1	ll2a(inputList)

inputList

a list of lists of numbers

an array where the top-level lists are rows and low-level lists are columns

mylist <- list()
mylist_ <- list()
for(i in 1:10) {
  for(j in 1:100) {
    mylist[[j]] <- i*j
  }
  mylist_[[i]] <- mylist
}
str(mylist_)
r3 <- ll2a.3(mylist_)