Aggregate Packages

Apply a function against an accumulator and each element in an array while iterating from right to left and return the accumulated result.

Reduce the number of dimensions by one of a two-dimensional nested array by applying a function against an accumulator and each element along the innermost dimension and returning the accumulation results as a one-dimensional array.

Split element values into two groups according to a predicate function.

Group element entries as arrays associated with distinct keys.

Group element entries according to an indicator function.

Group element indices as arrays associated with distinct keys.

Group element indices according to an indicator function.

Group elements as arrays associated with distinct keys.

Group element values according to an indicator function.

Split values into two groups according to a predicate function.

Group values according to an indicator function and return group counts.

Group values as arrays associated with distinct keys.

Group values according to an indicator function.

Group an object's own and inherited property values according to an indicator function.

Group an object's own property values according to an indicator function.

Generate a frequency table according to an indicator function.

Split values into two groups.

Split values into two groups according to a predicate function.

Split an object's own and inherited property values into two groups according to a predicate function.

Split an object's own property values into two groups according to a predicate function.