From h.wickham at gmail.com  Sat May  3 18:39:44 2014
From: h.wickham at gmail.com (Hadley Wickham)
Date: Sat, 3 May 2014 11:39:44 -0500
Subject: [Rd] Historical NA question
Message-ID: <CABdHhvFt2n6=ORLBSTYxkA_G+t_d_H=0B1+vhhM_ZFL_Z-RT3g@mail.gmail.com>

Can anyone tell me what the significance of 1954 is in R's NA?

Thanks!

Hadley

-- 
http://had.co.nz/



[Rd] Historical NA question
Hadley Wickham