D3.js randomIrwinHall() Function

Last Updated : 07 Aug, 2020

The d3.randomIrwinHall() function in d3.js is used to generate the random number based on the Irwinhall distribution having “n” independent variables.

Syntax:

d3.randomIrwinHall(n)

Parameters: It takes only one parameter as given above and described below.

n: It is the number of independent variables given to the Irwin hall distribution function.

Returns: It returns a function.

Example 1: When n is greater than zero.

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8"> 
    <meta name="viewport" content= 
        "width=device-width,   
        initial-scale=1.0"> 
</head> 
  
<body> 
    <div class="b1"></div> 
    <div class="b2"></div> 
  
    <!--Fetching from CDN of D3.js -->
    <script type="text/javascript" 
        src="https://d3js.org/d3.v4.min.js"> 
    </script> 
  
    <script> 
      
        // Every output is different and  
        // generating the itwinhall random 
        // numbers 
        console.log(d3.randomIrwinHall(4)()) 
        console.log(d3.randomIrwinHall(4)()) 
        console.log(d3.randomIrwinHall(4)()) 
        console.log(d3.randomIrwinHall(4)()) 
        console.log(d3.randomIrwinHall(4)()) 
    </script> 
</body> 
  
</html>

Output:

Example 2: When n is less than zero.

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8"> 
    <meta name="viewport" content= 
        "width=device-width,initial-scale=1.0"> 
</head> 
  
<body> 
    <div class="b1"></div> 
    <div class="b2"></div> 
      
    <!--Fetching from CDN of D3.js -->
    <script type="text/javascript" 
        src="https://d3js.org/d3.v4.min.js"> 
    </script> 
  
    <script> 
      
        // Any value less than zero gives 
        // static value of zero 
        console.log(d3.randomIrwinHall(-4)()) 
        console.log(d3.randomIrwinHall(0.004)()) 
        console.log(d3.randomIrwinHall(4)(4)) 
        console.log(d3.randomIrwinHall(-0.008)()) 
    </script> 
</body> 
  
</html>