[R] floor() rounding problem?

Uwe Ligges ligges at statistik.uni-dortmund.de
Tue Aug 9 13:51:00 CEST 2005


Simon Woodhead wrote:

> Dear all,
> 
> Could someone please explain the following perculiarity?


Please read the FAQ "Why doesn't R think these numbers are equal" (as 
the posting gude asks you to do).

Uwe Ligges


>  > 2 == 0.2/0.1
> [1] TRUE
>  > 3 == 0.3/0.1
> [1] FALSE
> 
> Similarly,
> 
> floor(0.2/0.1) = 2
> floor(0.3/0.1) = 2
> 
> Thank you,
> Simon
> 
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