| row_number {SparkR} | R Documentation |
Window function: returns a sequential number starting at 1 within a window partition.
## S4 method for signature 'missing' row_number() row_number(x = "missing")
x |
empty. Should be used with no argument. |
This is equivalent to the ROW_NUMBER function in SQL.
row_number since 1.6.0
Other window_funcs: cume_dist,
cume_dist,
cume_dist,missing-method;
dense_rank, dense_rank,
dense_rank,missing-method;
lag, lag,
lag,characterOrColumn-method;
lead, lead,
lead,characterOrColumn,numeric-method;
ntile, ntile,
ntile,numeric-method;
percent_rank, percent_rank,
percent_rank,missing-method;
rank, rank,
rank, rank,ANY-method,
rank,missing-method
## Not run:
##D df <- createDataFrame(mtcars)
##D ws <- orderBy(windowPartitionBy("am"), "hp")
##D out <- select(df, over(row_number(), ws), df$hp, df$am)
## End(Not run)