D3.js randomNormal() Function
Last Updated :
10 Apr, 2023
The randomNormal() function is used to return a function that gives a random number based on Normal distribution or Gaussian distribution.
Syntax:
d3.randomNormal(mu, sigma);
Parameters: It takes the two parameters given above and described below.
- mu: It is the expected value of the number. If mu is not given then it is considered as 0.
- sigma: The number is generated with a certain standard deviation called sigma.
Returns: It returns a function.
Below given are a few examples of the above function.
Example 1: When mu is given.
html
<!DOCTYPE html>
< html lang="en">
< head >
< meta charset="UTF-8">
< meta name="viewport"
content=" width = device -width,
initial-scale = 1 .0">
< title >Document</ title >
</ head >
< style >
</ style >
< body >
< script type = "text/javascript"
</ script >
< script >
// The output may be different on different machines.
console.log(d3.randomNormal(10, 10)())
console.log(d3.randomNormal(10, 10)())
console.log(d3.randomNormal(10, 10)())
console.log(d3.randomNormal(10, 10)())
console.log(d3.randomNormal(10, 10)())
</ script >
</ body >
</ html >
|
Output:
Example 2: When mu is not given.
html
<!DOCTYPE html>
< html lang="en">
< head >
< meta charset="UTF-8">
< meta name="viewport"
content=" width = device -width,
initial-scale = 1 .0">
< title >Document</ title >
</ head >
< style >
</ style >
< body >
< script type = "text/javascript"
</ script >
< script >
// The output may be different on different machines.
console.log(d3.randomNormal(5)())
console.log(d3.randomNormal(5)())
console.log(d3.randomNormal(5)())
console.log(d3.randomNormal(5)())
console.log(d3.randomNormal(5)())
console.log(d3.randomNormal(5)())
</ script >
</ body >
</ html >
|
Output:
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