[R] OT: P(Z <= -1.46).

[Peter Dalgaard]

Duncan Murdoch <murdoch at stats.uwo.ca> writes:

> My copy of the CRC standard mathematical tables give 0.0721, without 
> citation.
> 
> > Could two algorithms ``reasonably'' disagree in the 4th decimal
> > place?
> 
> One possible source for this error (if it is an error), would be someone 
> rounding to 5 places giving 0.07215, then rounding again to 4 places. 
> Is that reasonable?

Wouldn't be surprised. I'm using an introductory textbook that has
qnorm(.95) as alternatingly 1.64 and 1.65 in its tables, where the
latter fairly clearly comes from rounding of 1.645 instead of
1.644854.

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