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Tutorial 4: Nonlinear dimensionality reduction

Difficulty level

This tutorial covers how dimensionality reduction can be useful for visualizing and inferring structure in your data. To do this, we will compare principal component analysis (PCA) with t-SNE, a nonlinear dimensionality reduction method.

Overview of the tutorial:

  • Visualize MNIST in 2D using PCA
  • Visualize MNIST in 2D using t-SNE