R error in '[<-.data.frame'… replacement has # items, need #

Question

I am new to R and this one is beyond me. The script below uses two dummy tables (result and count) each with two columns (A and B). I\'m running permutations tests to compar

Answer 1

This error pops up when you're unlucky and i <- runif(n) < 1/2 consists only of FALSE, i.e. no permutations happen. You need to add a check in the swap function to fix this problem.