Formula Functions / Functions R to S / REDUCE
REDUCE

This function reduces an array to an accumulated value by applying a LAMBDA to each value and returning the total value in the accumulator. 

Syntax

REDUCE([initial_value], array, lambda(accumulator, value))

Argument

This function has the following arguments:

Argument Description
[initial_value] (Optional) Sets the starting value for the accumulator.
array

An array to be reduced.

lambda

A LAMBDA that is called to reduce the array. The LAMBDA takes two parameters:

accumulator: The value totaled up and returned as the final result.

value: The calculation applied to each element in the array.

Remarks

If an invalid LAMBDA function or an incorrect number of parameters are provided, it returns a #VALUE! error called "Incorrect Parameters".

Data Types

Returns a numerical value.

Examples

REDUCE(, A1:C2, LAMBDA(a,b,a+b^2))

REDUCE(1,Table2[Nums],LAMBDA(a,b,IF(b>50,a+b,a)))

Version Available

This function is available in product version 15 or later.