pyspark.sql.functions.mean¶
-
pyspark.sql.functions.
mean
(col: ColumnOrName) → pyspark.sql.column.Column[source]¶ Aggregate function: returns the average of the values in a group. An alias of
avg()
.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(10) >>> df.select(mean(df.id)).show() +-------+ |avg(id)| +-------+ | 4.5| +-------+