[R] surprising difference in log()

Duncan Murdoch murdoch at stats.uwo.ca
Tue Jun 26 16:31:44 CEST 2007


On 6/26/2007 10:20 AM, Mike Lawrence wrote:
> According to the description of floor(), the latter result is the  
> correct one:
> 
> 'floor takes a single numeric argument x and returns a numeric vector  
> containing the largest integers *not greater than* the corresponding  
> elements of x.' (emphasis added)
> 
> floor(3) == 2
>  >True

3 is not greater than 3, but it is greater than 2, so the result you 
quote above is wrong.  You should see

> floor(3)
  [1] 3

 > floor(3) == 2
[1] FALSE

Do you really see the result you posted?

Duncan Murdoch



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