Lodash _.mean() Method

Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc.

The _.mean() method is used to find the mean of the values in the array.

Syntax:

_.mean( array )

Parameters: This method accepts a single parameter as mentioned above and described below:

• array: It is the array that the method iterates over to get the mean of all the values.

Return Value: This method returns the mean of the values in the array.

Example 1:

Javascript

// Requiring the lodash library
const _ = require("lodash");

// Use of _.mean()
// method
let mean_val = _.mean([15, 7, 38, 46, 82]);

// Printing the output
console.log(mean_val);

Output:

37.6

Example 2:  

Javascript

// Requiring the lodash library
const _ = require("lodash");

// Use of _.mean()
// method
let mean_val = _.mean([2, 3, 4, 6, 7, 8]);

// Printing the output
console.log(mean_val);

Output:

5

Example 3:  

Javascript

// Requiring the lodash library
const _ = require("lodash");

// Use of _.mean()
// method
let mean_val = _.mean([10, -4, -6, 8, 12]);

// Printing the output
console.log(mean_val);

Output:

4