static AnyIntAggregateFunction |
AggregateFunctions.count |
A function that takes a Column argument and returns the count of values in the column
excluding missing values.
|
static AnyIntAggregateFunction |
AggregateFunctions.countMissing |
A function that takes a NumericColumn argument and returns the count of missing values
in the column
|
static AnyIntAggregateFunction |
AggregateFunctions.countNonMissing |
A function that takes a Column argument and returns the count of values in the column
excluding missing values
|
static AnyIntAggregateFunction |
AggregateFunctions.countUnique |
AA function that takes a Column argument and returns the number of non-missing unique
values in the column
|
static AnyIntAggregateFunction |
AggregateFunctions.countWithMissing |
A function that takes a Column argument and returns the number of values in the column,
including missing values
|