pyspark.sql.functions.stddev

pyspark.sql.functions.stddev(col: ColumnOrName) → pyspark.sql.column.Column

Aggregate function: alias for stddev_samp.

New in version 1.6.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or str

target column to compute on.

Returns

Column

standard deviation of given column.

Examples

>>> import pyspark.sql.functions as sf
>>> spark.range(6).select(sf.stddev("id")).show()
+------------------+
|        stddev(id)|
+------------------+
|1.8708286933869...|
+------------------+

previous

pyspark.sql.functions.std

next

pyspark.sql.functions.stddev_pop