pyspark.sql.GroupedData.count¶

GroupedData.count() → pyspark.sql.dataframe.DataFrame[source]¶

Counts the number of records for each group.

New in version 1.3.0.

Examples

>>> sorted(df.groupBy(df.age).count().collect())
[Row(age=2, count=1), Row(age=5, count=1)]