Machine Learning

Course material for Complex Systems 530 – Computer Modeling for Complex Systems

Author: Michael BommaritoOn: Jan 27Categories: Consulting, Machine Learning, Programming, Training No Comments

This term, I’m teaching Complex Systems 530 – Computer Modeling for Complex Systems at the University of Michigan Center for the Study of Complex Systems. In the spirit of open science, all course material will be available online at...

Predicting the Supreme Court

Author: Michael BommaritoOn: Jul 27Categories: Consulting, Law, Machine Learning, Research No Comments

One of the more exciting and public projects we’ve been working on lately has finally come to light – our Supreme Court prediction project with Dan Katz and Josh Blackman. This project is exactly what you’d expect – a framework...

Advanced approximate sentence matching in Python

Author: Michael BommaritoOn: Jun 30Categories: Consulting, Machine Learning, Natural Language Processing, Programming 8 Comments

In our last post, we went over a range of options to perform approximate sentence matching in Python, an import task for many natural language processing and machine learning tasks. To begin, we defined terms like: tokens: a word, number, or other...

Fuzzy match sentences in Python

Author: Michael BommaritoOn: Jun 12Categories: Consulting, Machine Learning, Natural Language Processing, Programming, Research 1 Comment

Let’s imagine you have a sentence of interest. You’d like to find all occurrences of this sentence within a corpus of text. How would you go about this? The most obvious answer is to look for exact matches of the sentence. You’d search...

Isotonic Regressions in scikit-learn

Author: Michael BommaritoOn: Jun 08Categories: Consulting, Machine Learning, Programming, Research 1 Comment

Isotonic regression is a great tool to keep in your repertoire; it’s like weighted least-squares with a monotonicity constraint. Why is this so useful, you ask? Take a look at the example relationship below. (You can follow along with the...