remove elements from a list

http://stackoverflow.com/questions/652136/how-can-i-remove-an-element-from-a-list

myList[[5]] = NULL

# or

x <- list("a", "b", "c", "d", "e"); # example list
x[-2];       # without 2nd element
x[-c(2, 3)]; # without 2nd and 3rd