At the risk of being beaten about the face and body, can somebody explain
why the middle example: log2(2^3); floor(log2(2^3)) is different than
examples 1 and 3?

> log2(2^2); floor(log2(2^2))
[1] 2
[1] 2
> log2(2^3); floor(log2(2^3))
[1] 3
[1] 2
> log2(2^4); floor(log2(2^4))
[1] 4
[1] 4
>

DrC

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