Python:實現average absolute deviation平均絕對偏差算法(附完整源碼)

Python:實現average absolute deviation平均絕對偏差算法

def average_absolute_deviation(nums: list[int]) -> float:
""" >>> 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()