pyspark.sql.functions.percent_rank#
- pyspark.sql.functions.percent_rank()[source]#
Window function: returns the relative rank (i.e. percentile) of rows within a window partition.
New in version 1.6.0.
Changed in version 3.4.0: Supports Spark Connect.
- Returns
Column
the column for calculating relative rank.
Examples
>>> from pyspark.sql import Window, types >>> df = spark.createDataFrame([1, 1, 2, 3, 3, 4], types.IntegerType()) >>> w = Window.orderBy("value") >>> df.withColumn("pr", percent_rank().over(w)).show() +-----+---+ |value| pr| +-----+---+ | 1|0.0| | 1|0.0| | 2|0.4| | 3|0.6| | 3|0.6| | 4|1.0| +-----+---+