A python package that implements an easy-to-use interface for random variables, statistical distributions, and their algebra.
Project description
distribution-algebra
A python package that implements an easy-to-use interface for random variables, statistical distributions, and their algebra.
This Python package is brought to you by Vaibhav Karve.
distribution-algebra
recognizes Normal, Lognormal, Beta and Poisson
distributions. The package implements an interface to easily construct
user-defined Univariate distributions as well Vectorized distributions.
Additional features include:
- A
plot
function for probability density/mass function plotting. - A
draw
function for drawing random samples of specified size from a given distribution. - Addition and multiplication operations defined directly on distributions:
- For example, the sum of two Normal (Poisson) distributions is Normal (Poisson).
- The product of two Lognormal distributions is Lognormal.
- The sum of two arbitrary univariate distributions is expressed as a Vectorized distribution.
This package is written in Python v3.10, and is publicly available under the GNU-GPL-v3.0 license.
Installation and usage
To get started on using this package,
-
Install Python 3.10 or higher.
-
python3.10 -m pip install distribution-algebra
-
Use it in a python script (or interactive REPL)
from distribution_algebra import Beta, Lognormal, Normal, Poisson x: Normal = Normal(mean=1.0, var=9.0) y: Normal = Normal(mean=1.0, var=16.0) assert x + y == Normal(mean=2.0, var=25.0)
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