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
- colColumnor 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| +-------+