Logistic Ordinal Regression

Category: misc
#machine learning #ordinal regression #Python #ranking

TL;DR: I've implemented a logistic ordinal regression or proportional odds model. Here is the Python code

The logistic ordinal regression model, also known as the proportional odds was introduced in the early 80s by McCullagh [1, 2] and is a generalized linear model specially tailored for the case of …

Learning to rank with scikit-learn: the pairwise transform

Category: misc
#python #scikit-learn #ranking

This tutorial introduces the concept of pairwise preference used in most ranking problems. I'll use scikit-learn and for learning and matplotlib for visualization.

In the ranking setting, training data consists of lists of items with some order specified between items in each list. This order is typically induced by giving …