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README.md

pepperon.ai

pepperon.ai is an open-source Python toolset for machine learning and data science and is distributed under the MIT License (Please don't sue me).

This project was started in 2019 by @JonWiggins as a central repository for some of the fun algorithms from various courses at the University of Utah.

It is intended to be a lot like scikit-learn, except more buggy, with less functionality, worse documentation, and not used by anyone. But that's okay, because making it will be fun.

Motivation

pepperon.ai is built on a few core ideas:

  1. Machine Learning should be accessable to the masses
  2. Bugs should be more common in software packages
  3. Runtime, much like digging holes, builds character

Version

pepperon.ai is currently on version 0.12.0

Installation

Requirements

pepperon.ai requires:

  • Python (>= 3.5)
  • NumPy (>= 1.11.0)
  • A lot of Patience
  • Scipy (>= 0.11)
  • Pandas (>= 0.24)

User Installation

You can install pepperonai from pypi via:

pip install pepperonai

Modules

Supervised Learning

Decision Trees

  • Decision Trees created with ID3 ; for all your decison needs

Perceptron

  • Simple Perceptron ; for all your needs that are both linearly seperable and basic
  • Average Perceptron ; for all your needs that are both linearly seperable and noisy

SVM

  • SVM on SGD ; for when you are using Perceptron, and decide you want it to be better

Niave Bayes

  • Guassian and Bernoulli

Random Forest

  • Random Forest on ID3

KNN

  • Labeling data based on it's nearest neighbors

Language

Ngrams

  • ngrams ; for all your simplistic corpus needs

Kgrams

  • kgrams ; for all your shingling needs

Data

Misa Gries

  • For creating a heavy hitters lower bound

Count Min Sketch

  • For creating a heavy hitters upper bound

Utils

  • In progress
  • Fowlkes-Mallows Index ; for comparing clusterings;
  • Purity Index ; for comparing clusterings
  • Grid Search for finding the best hyperparameters for your model
  • Jackknifing to create cross validation folds
  • General testing and evaluating methods

Unsupervised Learning

kmeans++

Clusters based on the kmeans++ algorithm, all based on probability

Gonzales

Clusters based on the Greedy Gonlzales algorithm, iteratively picks the furthest point from the existing clusters to be a new center.

Heirarchical Clustering

Rather than basing off of clusters, Heirarchial methods iteratively merge the two nearest clusters. What defines near is based on the linking method given, the built in linking functions provided are:

  • Single link: finds the smallest distance between two points in clusters
  • Complete link: find the largest distance between two points in clusters
  • Mean link: finds the average distance between two points in clusters
  • Various distance and similarity functions

Usage Examples

Maybe one day I will make some files that show off how to go about using these systems

To do

  • Add examples usage files

Contact

Feel free to send all comments, questions, or concerns to contact@pepperon.ai

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