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)

See Also

var_pop, var_samp

Other agg_funcs: agg, summarize; approxCountDistinct, approxCountDistinct, approxCountDistinct; avg, avg; countDistinct, countDistinct, n_distinct, n_distinct; count, n, n; first, first; kurtosis, kurtosis; last, last; max; mean; min; sd, sd, stddev, stddev; skewness, skewness; stddev_pop, stddev_pop; stddev_samp, stddev_samp; sumDistinct, sumDistinct; sum; var_pop, var_pop; var_samp, var_samp

Examples

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