#' Create duplexes
#'
#' Given a length (n) create a matrix of indexes as duplexes.
#' This is useful when comparing neighbouring vector elements.
#' For example for sequence [1,2,3,4] n=4 yielding a matrix where first row is [1,2], second row is [2,3], third row is [3,4].
#' @param n Numeric of sequence of indexes length
#' @return Matrix of duplexes where pairs occupy rows
#' @export
create.duplexes = function(n){
col1 = seq(1,n-1,by=1)
col2 = seq(2,n,by=1)
o = unname(cbind(col1,col2))
o
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.