var {SparkR}R Documentation

var

Description

Aggregate function: alias for var_samp.

Usage

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

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

var(x, y = NULL, na.rm = FALSE, use)

variance(x)

Arguments

x

a Column to compute on.

y,na.rm,use

currently not used.

Note

var since 1.6.0

variance since 1.6.0

See Also

var_pop, var_samp

Other agg_funcs: agg, agg, agg, agg,GroupedData-method, agg,SparkDataFrame-method, summarize, summarize, summarize, summarize,GroupedData-method, summarize,SparkDataFrame-method; avg, avg, avg,Column-method; countDistinct, countDistinct, countDistinct,Column-method, n_distinct, n_distinct, n_distinct,Column-method; count, count, count,Column-method, count,GroupedData-method, n, n, n,Column-method; first, first, first, first,SparkDataFrame-method, first,characterOrColumn-method; kurtosis, kurtosis, kurtosis,Column-method; last, last, last,characterOrColumn-method; max, max,Column-method; mean, mean,Column-method; min, min,Column-method; sd, sd, sd,Column-method, stddev, stddev, stddev,Column-method; skewness, skewness, skewness,Column-method; stddev_pop, stddev_pop, stddev_pop,Column-method; stddev_samp, stddev_samp, stddev_samp,Column-method; sumDistinct, sumDistinct, sumDistinct,Column-method; sum, sum,Column-method; var_pop, var_pop, var_pop,Column-method; var_samp, var_samp, var_samp,Column-method

Examples

## Not run: 
##D variance(df$c)
##D select(df, var_pop(df$age))
##D agg(df, var(df$age))
## End(Not run)

[Package SparkR version 2.0.2 Index]