average

average(x): number

Defined in: src/mean.js:17

The mean, also known as average, is the sum of all values over the number of values. This is a measure of central tendency: a method of finding a typical or central value of a set of numbers.

This runs in O(n), linear time, with respect to the length of the array.

Parameters

x

number[]

sample of one or more data points

Returns

number

mean

Throws

if the length of x is less than one

Example

mean([0, 10]); // => 5