[R] extra .

[Gabor Grothendieck]

It has no effect.  Both 6 and 6. represent the number six
as a double:

> identical(6, 6.)
[1] TRUE
> typeof(6.)
[1] "double"

On Thu, Aug 20, 2009 at 10:34 PM, kfcnhl<zhengchenji18 at hotmail.com> wrote:
>
> sigma0 <- sqrt((6. * var(maxima))/pi)
>
> What does the '.' do here?
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