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[R] How UMAP works — a detailed comparison with t-SNE

A recent blog post How Exactly UMAP Works provides a different perspective on explaining the UMAP dimensionality reduction, providing a more direct comparison with t-SNE in terms of computational approach. While the post is unfairly dismissive of t-SNE, readers here may gain some insight from this different presentation and detailed comparisons of how and why UMAP and t-SNE differ in various aspects on different tasks.

submitted by /u/lmcinnes
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Toronto AI is a social and collaborative hub to unite AI innovators of Toronto and surrounding areas. We explore AI technologies in digital art and music, healthcare, marketing, fintech, vr, robotics and more. Toronto AI was founded by Dave MacDonald and Patrick O'Mara.