Tags: knn*

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  1. Introducing sqlite-vec, a new SQLite extension for vector search written entirely in C. It's a stable release and can be installed in multiple ways. It runs on various platforms, is fast, and supports quantization techniques for efficient storage and search.

  2. from sklearn.neighbors import NearestCentroid import numpy as np X = np.array( [-1, -1 » , -2, -1 » , -3, -2 » , 1, 1 » , 2, 1 » , 3, 2 » ]) y = np.array( 1, 1, 1, 2, 2, 2 » ) clf = NearestCentroid() clf.fit(X, y) NearestCentroid()

    print(clf.predict( [-0.8, -1 » ])) 1 »

    2021-09-02 Tags: , , , , by klotz
  3. In your example if you use PCA to initialize your t-SNE you get widely spaced centroids; if you use random initialization you'll get tiny centroids and an uninteresting picture.

  4. 2018-08-03 Tags: , by klotz

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