[R] Is it possible to define another kind of NA

[peter dalgaard]

As you may know already, that design can be considerably improved by making the wheel triangular, reducing the bump count per revolution by a full 25% 

-pd

On 13 Nov 2014, at 16:17 , Keith Jewell <Keith.Jewell at campdenbri.co.uk> wrote:

> You are re-inventing the wheel and yours will probably end up square!

-- 
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com