[R] max.col weirdness

[Daryl Morris]

Hi,
Sorry, I was too hasty.  I see that the tolerance is in the 
documentation (and that "random" is the default tie-breaker).

Would it be possible to allow tolerance to be a parameter?

thanks, Daryl



Daryl Morris wrote:
> Hi,
> I think there's some rounding issue with returning the max column.  
> (running 2.9.0 on an Apple, but my buddy found it on his PC)
>
> > x <- matrix(c(1234.568,1234.569,1234.567),1)
> > max.col(x)
> [1] 2
> > x <- matrix(c(12345.568,12345.569,12345.567),1)
> > max.col(x)
> [1] 3
> > x <- matrix(c(112345.568,112345.569,112345.567),1)
> > max.col(x)
> [1] 3
> > max.col(-x)
> [1] 1
>
> Thanks, Daryl
>
>
>