cbrt

Computes the cube-root of the given value. Supports Spark Connect.

For the corresponding Databricks SQL function, see cbrt function.

Syntax

from pyspark.sql import functions as dbf

dbf.cbrt(col=<col>)

Parameters

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

Returns

pyspark.sql.Column: the column for computed results.

Examples

from pyspark.sql import functions as dbf
df = spark.createDataFrame([(-8,), (0,), (8,)], ["value"])
df.select("*", dbf.cbrt(df.value)).show()

+-----+-----------+
|value|CBRT(value)|
+-----+-----------+
|   -8|       -2.0|
|    0|        0.0|
|    8|        2.0|
+-----+-----------+

from pyspark.sql import functions as dbf
spark.sql("SELECT * FROM VALUES (FLOAT('NAN')), (NULL) AS TAB(value)").select("*", dbf.cbrt("value")).show()

+-----+-----------+
|value|CBRT(value)|
+-----+-----------+
|  NaN|        NaN|
| NULL|       NULL|
+-----+-----------+