Class: Array

Inherits:

Object

• Object
• Array

Defined in:

lib/immosquare-extensions/array.rb

Overview

##

This extension adds utility methods to the Array class.

##

Instance Method Summary

• #mean ⇒ Object

  ## Calculate the average (mean) of an array of numbers.

Instance Method Details

#mean ⇒ Object

##

Calculate the average (mean) of an array of numbers. The mean is the sum of the numbers divided by the count.

Reference: www.chrisjmendez.com/2018/10/14/mean-median-mode-standard-deviation/

Examples: [1, 2, 3, 4, 5].mean => 3.0 [2, 4, 6].mean => 4.0

##

# File 'lib/immosquare-extensions/array.rb', line 17

def mean
  sum(0.0) / size
end