M08.4 CONNECT THE MECHANISM
Read a data map with care
A t-SNE map of handwritten digits shows ten neat islands. Learn which parts of that picture you can trust, and which gaps and sizes are just artifacts of the drawing.
LESSON OVERVIEW13 min lesson
Lesson overview
A t-SNE map of handwritten digits shows ten neat islands. Learn which parts of that picture you can trust, and which gaps and sizes are just artifacts of the drawing.
What you’ll explore
- Nonlinear embeddings and self-organizing maps preserve selected relationships; apparent clusters, distances, and empty spaces in a 2D visualization need careful interpretation.
GO TO THE SOURCE
Original explanations, connected to the research.
An Introduction to Statistical Learning — authors’ materialsVisualizing Data using t-SNE (van der Maaten & Hinton, 2008)How to Use t-SNE Effectively (Wattenberg, Viégas & Johnson, Distill, 2016)UMAP: Uniform Manifold Approximation and Projection (McInnes, Healy & Melville, 2018)Suggest a correction
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