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Lodash _.mean() Method - GeeksforGeeks

Last Updated : 02 Sep, 2024

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

_.mean( array )

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.

This method returns the mean of the values in the array.

Example 1: In this example, the code requires the Lodash library and calculates the mean (average) value of a numeric array using the _.mean method, then displays the result in the console.

// 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: In this example, the code utilizes the Lodash library's _.mean method to calculate the mean (average) value of a numeric array and displays the result in the console.

// 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: In this example, the code requires the Lodash library and calculates the mean (average) value of a numeric array, then displays the result in the console.

// 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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