pyspark.RDD.stdev#

RDD.stdev()[source]#

Compute the standard deviation of this RDD’s elements.

New in version 0.9.1.

Returns

float

the standard deviation of all elements

See also

RDD.stats()

RDD.sampleStdev()

RDD.variance()

RDD.sampleVariance()

Examples

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