Читать книгу The Big R-Book - Philippe J. S. De Brouwer - Страница 126

There are of course more operators, that allow to execute common commands more efficiently or apply to certain specific objects such asmatrices. For example, we already have seen the operator : that creates a sequence. In R it is possible to define your own operators.

# +-+ # This function is a new operator # arguments: # x -- numeric # y -- numeric # returns: # x- y `+-+` <- function(x, y) x - y 5 +-+ 5 ## [1] 0 5 +-+ 1 ## [1] 4 # Remove the new operator: rm(`+-+`)