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Image Credit: Arxiv

Assessing and improving reliability of neighbor embedding methods: a map-continuity perspective

  • Neighbor embedding methods, such as t-SNE and UMAP, are widely used for visualizing high-dimensional data.
  • A lack of data-independent notions of embedding maps in these methods can introduce misleading visual artifacts.
  • Researchers have introduced LOO-map, a framework that extends embedding maps to the entire input space, aiming to improve reliability.
  • Two types of diagnostic scores have been developed to detect unreliable embedding points and improve hyperparameter selection.

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