Rounding of numbers (instead of) R “rounds to even” when rounding off a 5. This formula rounds numbers ending in .5 up ("rounding in commerce"). This formula is based on http://alandgraf.blogspot.com/2012/06/rounding-in-r.html

1 | ```
round2(x, digits = 1)
``` |

`x` |
a numeric vector |

`digits` |
integer indicating the number of decimal places |

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