std

Aggregate function: alias for stddev_samp.

Syntax

Python

from pyspark.sql import functions as sf

sf.std(col)

Parameters

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

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

Returns

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

Examples

Example 1: Calculate standard deviation

Python

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

Output

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