percent_rank

Description

Window function: returns the relative rank (i.e. percentile) of rows within a window partition.

Usage

percent_rank(x = "missing")

## S4 method for signature 'missing'
percent_rank()

Arguments

Details

This is computed by:

(rank of row in its partition - 1) / (number of rows in the partition - 1)

This is equivalent to the PERCENT_RANK function in SQL.

Note

percent_rank since 1.6.0

See Also

Other window_funcs: cume_dist, dense_rank, lag, lead, ntile, rank, row_number

Examples

## Not run: 
##D   df <- createDataFrame(mtcars)
##D   ws <- orderBy(windowPartitionBy("am"), "hp")
##D   out <- select(df, over(percent_rank(), ws), df$hp, df$am)
## End(Not run)