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Python:实现average absolute deviation平均绝对偏差算法(附完整源码)


Python:实现average absolute deviation平均绝对偏差算法

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()


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