Tag: Machine learning

All the articles with the tag "Machine learning".

• Climbing trees 3: from trees to forests

  Published:Mar 5, 2025

  In this post, we'll explore the mathematical foundations and implementation of bagging, a popular strategy to reduce model variance, and random forests, an algorithm that uses decision trees and bagging.

• Climbing trees 2: implementing decision trees

  Published:Jan 28, 2025

  Implementing classification and regression trees (CART) in Python with categorical feature support.

• Climbing trees 1: what are decision trees?

  Published:Jan 7, 2025

  This is the first in a series of posts about decision trees in the context of machine learning. The goal here is to provide a foundational understanding of decision trees and to implement them.

• Twitter sentiment classification - Part 2

  Published:Dec 30, 2018

  We'll use Recurrent Neural Networks to classify the Sentiment140 dataset into positive or negative tweets.

• Twitter sentiment classification - Part 1

  Published:Dec 27, 2018

  A sentiment classification project utilizing logistic regression on the Sentiment140 dataset.