pyspark.sql.functions.variance#

pyspark.sql.functions.variance(col)[source]#

Aggregate function: alias for var_samp

New in version 1.6.0.

Changed in version 3.4.0: Supports Spark Connect.

Parameters

colColumn or column name

target column to compute on.

Returns

Column

variance of given column.

See also

pyspark.sql.functions.var_pop()

pyspark.sql.functions.var_samp()

pyspark.sql.functions.stddev()

pyspark.sql.functions.skewness()

pyspark.sql.functions.kurtosis()

Examples

>>> from pyspark.sql import functions as sf
>>> df = spark.range(6)
>>> df.select(sf.variance(df.id)).show()
+------------+
|variance(id)|
+------------+
|         3.5|
+------------+