[Rd] potential r bug (floor)
kjetil brinchmann halvorsen
kjetil at entelnet.bo
Tue Jun 24 16:26:56 MEST 2003
On 23 Jun 2003 at 20:20, Prof Brian D Ripley wrote:
> Why is this a bug? If you take apply floor to a number that you expect to
> be exactly 3, but compute it on a binary computer via logs to base e, you
> must expect some rounding error.
> BTW, on my Windows XP machine I do get
> > floor(log10(1000))
>  3
On my windows XP machine (R1.7.1) i get:
> floor( log10(1000) )
Why this difference between different XP machines?
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