机器学习K近邻模块训练学习和模块确定

1.机器学习常用包 import cv2 import numpy as np import matplotlib.pyplot as plt 2.matplotlib 安装 pip install matplotlib 下面是安装的成功提示信息 Installing collected packages: six, cycler, kiwisolver, pyparsing, python-dateutil, matplotlib Successfully installed cycler-0.10.0 kiwisolver-1.2.0 matplotlib-3.2.1 pyparsi