[R] reference for round

[Anne York]

The help for the round function states: 

round rounds the values in its first argument to the specified number of
decimal places (default 0). Note that for rounding
off a 5, the IEEE standard is used, ``go to the even digit''. Therefore
round(0.5) is 0 and round(-1.5) is -2. 

Could someone provide a  reference for this standard?

Thanks, Anne
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Anne E. York
National Marine Mammal Laboratory
Seattle WA 98115-0070  USA
e-mail: anne.york at noaa.gov
Voice: +1 206-526-4039
Fax: +1 206-526-6615
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