Returns the value of the column e rounded to scale decimal places using HALF_EVEN rounding
mode if scale >= 0 or at integer part when scale < 0.
Also known as Gaussian rounding or bankers' rounding that rounds to the nearest even number.
bround(2.5, 0) = 2, bround(3.5, 0) = 4.
# S4 method for Column
bround(x, scale = 0)
Column to compute on.
further arguments to be passed to or from other methods.
round to scale digits to the right of the decimal point when scale > 0,
the nearest even number when scale = 0, and scale digits to the left
of the decimal point when scale < 0.