[Rd] Historical NA question

[Hadley Wickham]

Thanks Luke!
Hadley

On Sat, May 3, 2014 at 11:48 AM,  <luke-tierney at uiowa.edu> wrote:
> Hint: Ross will be 60 this year.
>
> luke
>
>
> On Sat, 3 May 2014, Hadley Wickham wrote:
>
>> Can anyone tell me what the significance of 1954 is in R's NA?
>>
>> Thanks!
>>
>> Hadley
>>
>>
>
> --
> 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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