From: John Maddock (john_at_[hidden])
Date: 2008-05-06 12:53:40
Johan Råde wrote:
> Paul A Bristow wrote:
>> What accuracy does Johan (and others) *need* for his(their)
> I'm working with biological data.
> Almost all the input data have errors around 10 - 30% (or more) :-)
> Two correct decimals is more than my customers need.
> But other users do of course have other needs.
Can't remember where I saw it now, but I believe folks recomend at least 6
decimal digits precision in the stat software's calculation. I believe the
problem with using lgamma is you can end up with no digits correct in some
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