pyspark.RDD.stdev — PySpark 3.5.5 documentation (original) (raw)

RDD. stdev() → float[source]¶

Compute the standard deviation of this RDD’s elements.

New in version 0.9.1.

Returns

float

the standard deviation of all elements

Examples

sc.parallelize([1, 2, 3]).stdev() 0.816...