variance

Alias for var_samp

Syntax

Python

from pyspark.sql import functions as sf

sf.variance(col)

Parameters

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

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

Returns

pyspark.sql.Column: variance of given column.

Examples

Python

from pyspark.sql import functions as sf
df = spark.range(6)
df.select(sf.variance(df.id)).show()

Output

+------------+
|variance(id)|
+------------+
|         3.5|
+------------+