Column.round
Series round()Rounds to the nearest whole value, half away from zero (D's std.math.round and Polars agree; ADR-2026-10-23-08) - FLOAT32/64 only.
Returns
the rounded Series.
Throws
DataFrameException on non-float kinds.
Series round()Rounds to the nearest whole value, half away from zero (D's std.math.round and Polars agree; ADR-2026-10-23-08) - FLOAT32/64 only.