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kurtosis

Returns the kurtosis of the values in a group.

Syntax

from pyspark.sql import functions as sf

sf.kurtosis(col)

Parameters

Parameter Type Description
col pyspark.sql.Column or column name Target column to compute on.

Returns

pyspark.sql.Column: kurtosis of given column.

Examples

from pyspark.sql import functions as sf
df = spark.createDataFrame([[1],[1],[2]], ["c"])
result = df.select(sf.kurtosis(df.c)).collect()[0][0]
spark.createDataFrame([(result < -1.49 and result > -1.51,)], ["within_expected_range"]).show()
+---------------------+
|within_expected_range|
+---------------------+
|                 true|
+---------------------+