Inverse Mill's Ratio

[Gerard Jungman]

On Sun, 2003-04-06 at 16:52, Yasuhiro Ohta wrote:
> 
> I am wondering whether someone is working on Inverse Mill's Ratio,
> which is also known as the hazard function $\lambda(x)$:

I have just added an implementation to CVS.


> Harold Ruben, "A New Asymptotic Expansion for the Normal Probability
> Integral and Mill's Ratio," Journal of the Royal Statistical
> Society. Series B (Methodological), Vol. 24, No. 1. (1962),
> pp. 177-179.

Thanks for the reference. It was useful.


-- 
Gerard Jungman <jungman@lanl.gov>
Los Alamos National Laboratory