pyspark.RDD.stdev# RDD.stdev()[source]# Compute the standard deviation of this RDD’s elements. New in version 0.9.1. Returns floatthe standard deviation of all elements See also RDD.stats() RDD.sampleStdev() RDD.variance() RDD.sampleVariance() Examples >>> sc.parallelize([1, 2, 3]).stdev() 0.816...