Quantifying Local and Global Fidelity of Nonlinear Embeddings

arXiv:2611.00290v1 Announce Type: new Abstract: Dimension reduction methods are chosen by a common claim: t-SNE and UMAP preserve local structure, and PCA preserves global structure. Checking it on given data takes local and global scores on one scale and a test that compares two maps. Both scores c

arXiv cs.AIDienstag 06:00 · 03.11.1 Min. Lesezeit