From pperry at stern.nyu.edu  Sat Jan 20 16:43:52 2018
From: pperry at stern.nyu.edu (Patrick Perry)
Date: Sat, 20 Jan 2018 10:43:52 -0500
Subject: [Rd] as.character(list(NA))
Message-ID: <5A6363B8.3030305@stern.nyu.edu>

As of R Under development (unstable) (2018-01-19 r74138):

 > as.character(list(NA))
[1] "NA"

 > is.na(as.character(list(NA)))
[1] FALSE



[Rd] as.character(list(NA))
Patrick Perry