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Message-ID: <20170615113300.30538@web005.roc2.bluetie.com>
Date: 2017-06-15T15:33:00Z
From: ce
Subject: is.null(mylist[1]) and is.null(mylist$a) returns different values

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]