Round up from .5
round2(x, digits = 0)
A vector of numeric values.
Integer indicating the number of decimal places ('round') or significant digits ('signif') to be used.
Implements rounding using the "round up from .5" rule,
which is more conventional than the "round to even" rule
implemented by R's built-in
round function. This
implementation was taken from
A vector of rounded numeric values.
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