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This commit is contained in:
Samuel Sloniker 2022-07-22 14:22:01 -07:00
parent ad138b37d6
commit 76df1dc56d
1 changed files with 2 additions and 37 deletions
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39
gptc/weighting.py
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@ -2,45 +2,10 @@
import math import math
from typing import Sequence, Union, Tuple, List from typing import Sequence, Union, Tuple, List
import statistics
def _mean(numbers: Sequence[float]) -> float:
"""Calculate the mean of a group of numbers
Parameters
----------
numbers : list of int or float
The numbers to calculate the mean of
Returns
-------
float
The mean of the numbers
"""
return sum(numbers) / len(numbers)
def _standard_deviation(numbers: Sequence[float]) -> float:
"""Calculate the standard deviation of a group of numbers
Parameters
----------
numbers : list of int or float
The numbers to calculate the mean of
Returns
-------
float
The standard deviation of the numbers
"""
mean = _mean(numbers)
squared_deviations = [(mean - i) ** 2 for i in numbers]
return math.sqrt(_mean(squared_deviations))
def weight(numbers: Sequence[float]) -> List[float]: def weight(numbers: Sequence[float]) -> List[float]:
standard_deviation = _standard_deviation(numbers) weight = statistics.stdev(numbers) * 2
weight = standard_deviation * 2
weighted_numbers = [i * weight for i in numbers] weighted_numbers = [i * weight for i in numbers]
return weighted_numbers return weighted_numbers