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maths/average_absolute_deviation.py
29 строк
859 B
Lukas
Added average absolute deviation (#5951)
13 фев 2022, 20:20
Не верифицирован
13 фев 2022, 20:20
7a9b3c7
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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()