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Lodash _.mean() Method

  • Last Updated : 09 Sep, 2020

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



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