sdf_pivot {sparklyr} | R Documentation |
Construct a pivot table over a Spark Dataframe, using a syntax similar to
that from reshape2::dcast
.
sdf_pivot(x, formula, fun.aggregate = "count")
x |
A |
formula |
A two-sided R formula of the form |
fun.aggregate |
How should the grouped dataset be aggregated? Can be a length-one character vector, giving the name of a Spark aggregation function to be called; a named R list mapping column names to an aggregation method, or an R function that is invoked on the grouped dataset. |