摘要：
import numpy as np import pandas as pd framel = pd.DataFrame( {'id':['ball','pencil','pen','mug','ashtray'], 'price': [12.33,11.44,33.21,13.23,33.62]}) fra... 阅读全文
摘要：
# -*- coding: utf-8 -*- import numpy as np import pandas as pd import matplotlib.pyplot as plt plt.rcParams['font.sans-serif']=['SimHei'] # 用来正常显示中文标签 plt.rcParams['axes.unicode_minus']=Fa... 阅读全文
摘要：
import lxml import numpy as np import pandas as pd import matplotlib.patches as pch from matplotlib.colors import ListedColormap from mpl_toolkits.mplot3d import Axes3D from sklearn import datase... 阅读全文