[R] is.null(mylist[1]) and is.null(mylist$a) returns different values
ce
zadig_1 at excite.com
Thu Jun 15 17:33:00 CEST 2017
Hi
I have a list :
mylist <- list( a = NULL, b = 1, c = 2 )
> mylist[1]
$a
NULL
> is.null(mylist[1])
[1] FALSE
> is.null(mylist$a)
[1] TRUE
why? I need to use mylist[1]
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