pyspark.sql.functions.signum¶
-
pyspark.sql.functions.
signum
(col: ColumnOrName) → pyspark.sql.column.Column[source]¶ Computes the signum of the given value.
New in version 1.4.0.
Changed in version 3.4.0: Supports Spark Connect.
- Parameters
- col
Column
or str target column to compute on.
- col
- Returns
Column
the column for computed results.
Examples
>>> df = spark.range(1) >>> df.select(signum(lit(-5))).show() +----------+ |SIGNUM(-5)| +----------+ | -1.0| +----------+
>>> df.select(signum(lit(6))).show() +---------+ |SIGNUM(6)| +---------+ | 1.0| +---------+