Statistics for Humans
Install
From PyPi
pip install verysimplestats
From GitHub (with pip)
pip install git+https://github.com/PierreSelim/verysimplestats.git
Tests
Doctests are embedded in the source. Run with:
uv run pytest --cov=verysimplestats --cov-report=term-missing
Examples
Mean value
>>> import verysimplestats as stats
>>> stats.mean([1, 2, 3, 4, 5])
3.0
Median value
>>> import verysimplestats as stats
>>> stats.median([5, 2, 6, 4, 1, 3])
3.5
Linear regression
>>> import verysimplestats as stats
>>> lm = stats.linear_regression([1, 2, 3], [1, 3, 4.5])
>>> (lm.slope, lm.intercept, lm.rsquared)
(1.7499999999999984, -0.6666666666666634, 0.9932432432432422)
>>> [round(e, 4) for e in lm.residuals]
[-0.0833, 0.1667, -0.0833]
Variance is computed only for list of length greater or equal to 2
>>> import verysimplestats as stats
>>> stats.variance([1])
Traceback (most recent call last):
...
ValueError: Variance only exists for list with at least 2 elements [1]
Supported functions
| Functions | Examples |
|---|---|
mean(x: list) -> float |
mean([1, 2, 3, 4, 5]) |
median(x: list) -> float |
median([5, 2, 6, 4, 1, 3]) |
variance(x: list) -> float |
variance([1, 2, 3, 4, 5]) |
standard_deviation(x: list) -> float |
standard_deviation([1, 2, 3, 4, 5]) |
covariance(x: list, y: list) -> float |
covariance([1, 2, 3, 4, 5], [1, 2, 3, 4, 5]) |
correlation(x: list, y: list) -> float |
correlation([1, 2, 3, 4, 5], [1, 2, 3, 4, 5]) |
rsquared(x: list, y: list) -> float |
rsquared([1, 2, 3], [1, 3, 4.5]) |
ordinary_least_square(x: list, y: list) -> (float, float) |
ordinary_least_square([1, 2, 3], [1, 3, 4.5]) |
linear_forecast(slope: float, intercept: float, value: float) -> float |
linear_forecast(2, -1, 3) |
residuals(slope: float, intercept: float, x: float, y: float) -> float |
residuals(1.75, -0.667, [1, 2, 3], [1, 3, 4.5]) |
linear_regression(x: list, y: list) -> LinearRegressionFit |
linear_regression([1, 2, 3], [1, 3, 4.5]) |
License (MIT)
The MIT License (MIT)
Copyright (c) 2016 Pierre-Selim
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
1 maintainer
Metadata
1 maintainer
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