What are the available distance metrics for the k-nearest neighbor calculation?

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Réponse

The 'distanceMetric' parameter supports 'COSINE' (cosine distance), 'IP' (inner product), and 'L2' (Euclidean distance). The default value is 'L2'.
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fastknn

fastKnn

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What is the primary function of the fastknn action? What output tables can be created by the fastknn action? Which input tables are required for the fastknn action? What search methods are available in the fastknn action? What does the efConstruction parameter control?
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