機器學習基礎（四）之KNN算法簡析

Jupyter Notebook k近鄰算法 import numpy as np from matplotlib import pyplot as plt import math #自己弄的訓練集和結果 X_train = np.array([[1,1.2],[3,3.3],[5,2.2],[7,5.7],[9,8.4]]) X_train array([[1. , 1.2],        [

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