[Rd] Historical NA question

[luke-tierney at uiowa.edu]

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
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