Stanford CS229 Machine Learning | Spring 2026 | Lecture 3: Weighted Least Squares

Learn from the latest CS229 graduate curriculum — now built into XCS229 Machine Learning, our professional education version. Starts November 16, 2026. Enroll now. 🔗 https://stanford.io/xcs229-261116 For more information about Stanford’s Artificial Intelligence professional and graduate programs, visit: https://stanford.io/ai For information on the graduate course, CS229 Machine Learning, including the syllabus and course materials, visit the course's website: https://cs229.stanford.edu/index.html-spr26 Teaching Team: Chris Ré, Professor of Computer Science Tengyu Ma, Assistant Professor of Computer Science