stddev_samp {SparkR}R Documentation

stddev_samp

Description

Aggregate function: returns the unbiased sample standard deviation of the expression in a group.

Usage

stddev_samp(x)

## S4 method for signature 'Column'
stddev_samp(x)

Arguments

x

Column to compute on.

Note

stddev_samp since 1.6.0

See Also

stddev_pop, sd

Other agg_funcs: agg, avg, countDistinct, count, first, kurtosis, last, max, mean, min, sd, skewness, stddev_pop, sumDistinct, sum, var_pop, var_samp, var

Examples

## Not run: stddev_samp(df$c)

[Package SparkR version 2.1.2 Index]