最邻近法则（1-NN）是最简单和最为自然的分类法则。

The 1-Nearest-Neighbor Rule (1-NN) is the simplest and most natural classification rule.

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通常，在这个分类模型中可以达到最好分类(例如采用最邻近法则)的对象不多。

Usually, they are limited to assigning objects to the class model that fits best, e. g. by the nearest neighbor rule.

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