[Rd] Historical NA question
h.wickham at gmail.com
Sun May 4 15:00:54 CEST 2014
On Sat, May 3, 2014 at 11:48 AM, <luke-tierney at uiowa.edu> wrote:
> Hint: Ross will be 60 this year.
> On Sat, 3 May 2014, Hadley Wickham wrote:
>> Can anyone tell me what the significance of 1954 is in R's NA?
> Luke Tierney
> Chair, Statistics and Actuarial Science
> Ralph E. Wareham Professor of Mathematical Sciences
> University of Iowa Phone: 319-335-3386
> Department of Statistics and Fax: 319-335-3017
> Actuarial Science
> 241 Schaeffer Hall email: luke-tierney at uiowa.edu
> Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu
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