[FEA] Inertia Computation for Balanced KMeans and Add Option for Weighted Inertia#1880
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rapids-bot[bot] merged 17 commits intorapidsai:mainfrom Mar 11, 2026
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[FEA] Inertia Computation for Balanced KMeans and Add Option for Weighted Inertia#1880rapids-bot[bot] merged 17 commits intorapidsai:mainfrom
rapids-bot[bot] merged 17 commits intorapidsai:mainfrom
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tarang-jain
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Thanks @tarang-jain LGTM!
lowener
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…hted Inertia (rapidsai#1880) Closes rapidsai#1762 Authors: - Tarang Jain (https://github.com/tarang-jain) Approvers: - Jinsol Park (https://github.com/jinsolp) - Divye Gala (https://github.com/divyegala) URL: rapidsai#1880
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Merge after #1880 This PR adds support for streaming out of core (dataset on host) kmeans clustering. The idea is simple: Batched accumulation of centroid updates: Data is processed in batches and batch-wise means and cluster counts are accumulated until all the batches i.e., the full dataset pass has completed. This PR just brings a batch-size parameter to load and compute cluster assignments and (weighted) centroid adjustments on batches of the dataset. The final centroid 'updates' i.e. a single kmeans iteration only completes when all these accumulated sums are averaged once the whole dataset pass has completed. Authors: - Tarang Jain (https://github.com/tarang-jain) Approvers: - Victor Lafargue (https://github.com/viclafargue) - Anupam (https://github.com/aamijar) - Micka (https://github.com/lowener) - Jinsol Park (https://github.com/jinsolp) - Ben Frederickson (https://github.com/benfred) URL: #1886
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Closes #1762