Aggregate Packages

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.

Generate a frequency table.

Generate a frequency table according to an indicator function.

Apply a function against an accumulator and each element in an array and return the accumulated result.

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.

Perform a single-pass map-reduce operation against each element in an array and return the accumulated result.

Perform a single-pass map-reduce operation against each element in an array while iterating from right to left and return the accumulated result.

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.

Split array element values into two groups.

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

Split array element entries into two groups.

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

Split array element indices into two groups.

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

Group element entries as arrays associated with distinct keys.