Fig. A.1
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Sample classification via machine learning. (Left) UMAP 2D projection with HDBscan cluster labels. (Middle) UMAP 2D projection with [N II]λ6583-based BPT diagram labels. (Right) UMAP 2D projection with [S II]λ6716 + 31-based BPT diagram labels. The inset text shows the number of features in each run. All displayed runs are with n_neighbours= 20.
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