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.

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|
+------------+