mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-11-30 16:31:08 +00:00
7a9b3c7292
* Added average absolute deviation * Formats program with black * reruns updated pre commit * Update average_absolute_deviation.py Co-authored-by: Christian Clauss <cclauss@me.com>
30 lines
859 B
Python
30 lines
859 B
Python
def average_absolute_deviation(nums: list[int]) -> float:
|
|
"""
|
|
Return the average absolute deviation of a list of numbers.
|
|
Wiki: https://en.wikipedia.org/wiki/Average_absolute_deviation
|
|
|
|
>>> average_absolute_deviation([0])
|
|
0.0
|
|
>>> average_absolute_deviation([4, 1, 3, 2])
|
|
1.0
|
|
>>> average_absolute_deviation([2, 70, 6, 50, 20, 8, 4, 0])
|
|
20.0
|
|
>>> average_absolute_deviation([-20, 0, 30, 15])
|
|
16.25
|
|
>>> average_absolute_deviation([])
|
|
Traceback (most recent call last):
|
|
...
|
|
ValueError: List is empty
|
|
"""
|
|
if not nums: # Makes sure that the list is not empty
|
|
raise ValueError("List is empty")
|
|
|
|
average = sum(nums) / len(nums) # Calculate the average
|
|
return sum(abs(x - average) for x in nums) / len(nums)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import doctest
|
|
|
|
doctest.testmod()
|