6.036 Introduction to Machine Learning

6.437 Inference and Information

6.438 Algorithms for Inference

6.864 Advanced Natural Language Processing

6.869 Advances in Computer Vision

9.520 Statistical Learning Theory and Applications

9.641J Introduction to Neural Networks

15.062J Data Mining: Finding the Data and Models that Create Value

15.077J Statistical Learning and Data Mining

15.097 Prediction: Machine Learning and Statistics

15.098 Seminar in Applied Probability and Stochastic Processes

18.466 Mathematical Statistics

18.S996: Algorithmic Aspects of Machine Learning

Harvard also offers many great classes in which MIT students can cross-register: