stddev

Alias for stddev_samp.

Syntax

Python

from pyspark.sql import functions as sf

sf.stddev(col)

Parameters

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

Returns

pyspark.sql.Column: standard deviation of given column.

Examples

Python

import pyspark.sql.functions as sf
spark.range(6).select(sf.stddev("id")).show()

Output

+------------------+
|        stddev(id)|
+------------------+
|1.8708286933869...|
+------------------+