last {SparkR}R Documentation

last

Description

Aggregate function: returns the last value in a group.

Usage

## S4 method for signature 'characterOrColumn'
last(x, na.rm = FALSE)

last(x, ...)

Details

The function by default returns the last values it sees. It will return the last non-missing value it sees when na.rm is set to true. If all values are missing, then NA is returned.

See Also

Other agg_funcs: agg, summarize; approxCountDistinct, approxCountDistinct, approxCountDistinct; avg, avg; countDistinct, countDistinct, n_distinct, n_distinct; count, n, n; first, first; kurtosis, kurtosis; 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; var, var, variance, variance

Examples

## Not run: 
last(df$c)
last(df$c, TRUE)

## End(Not run)

[Package SparkR version 2.0.0 Index]