Grassroots Machine Learning

A collection of examples and tutorials mainly in Python.
There are articles for each notebook that go deeper into the topic.

datascience library

Simple library replicating several algorithms for educational purpose.

• Contains the Stats module (Blog posts)

TidyData

• Examples and tutorials for data wrangling
• Read the NHL data

Predict

Examples and tutorials for supervised regression

• Univariate linear regression
• Multiple linear regression
• Inference for linear regression
• Feature selection
• Overfitting
• Cross-validation
• Regularisation
• An example: rebuild audio using linear regression
• Time series: the basics
• A time series example

Classify

Examples and tutorials for supervised classification

• Logistic Regression from ground up
• Logistic Regression using statsmodels
• Logistic Regression using SKlearn
• Multi-class Logistic Regression
• Multi-class logistic regression in R
• Classification using K-nearest neighbours in Python
• Classification using Support Vector Machines
• Classification using Decision Tree
• Classification using Random Forest
• Classification using Artificial Neural Network

Data dimensionality reduction

• PCA & Isomap algorithms

Classify Text using NLP

Examples and tutorials for Natural Language Processing classification

• Word counting: the Hello Worlds of NLP
• Distributed word counting with Spark
• Text analyser (Python and Flask)
• Introduction to NLTK
• Sentiment Analysis
• Word vectors
• Part of Speeches - part I
• Part of Speeches - part II

Connect

Examples and tutorials for supervised connection

• Recommender systems

Examples and tutorials for un-supervised connection

• Clustering using K-means in Python

Learn

Examples and tutorials for reinforcement learning, software agents

Visualization

Contains data visualization examples

• Bar Chart
• Box plot
• Scatter plot
• Histograms, 2D and 3D scatter, parallel coordinates, Andrew’s curves