February 2018
Intermediate to advanced
378 pages
10h 14m
English
Content preview from Machine Learning with Swift
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Trees to speed up the inference
An array is not the only possible candidate for KNN's memory implementation. To make neighbors search faster, many implementations use special data structures such as a KD tree or a ball tree.
Check scikit-learn documentation if you're interested in more details: http://scikit-learn.org/stable/modules/neighbors.html#nearest-neighbor-algorithms.
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