pyspark.sql.functions.avg

pyspark.sql.functions.avg(col: ColumnOrName) → pyspark.sql.column.Column

Aggregate function: returns the average of the values in a group.

New in version 1.3.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or str

target column to compute on.

Returns

Column

the column for computed results.

Examples

>>> df = spark.range(10)
>>> df.select(avg(col("id"))).show()
+-------+
|avg(id)|
+-------+
|    4.5|
+-------+

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