首页import matplotlib.pyplot as plt import pandas as pd crime = pd.read_csv("data/crimeRatesByState2005.csv") crime = crime[crime.state != "United States"] crime = crime[crime.state != "District of Columbia"] plt.scatter(x=list(crime.murder), y=list(crime.burglary), s=50) plt.xlabel("murder") plt.ylabel("burglary") plt.show()

import matplotlib.pyplot as plt import pandas as pd crime = pd.read_csv("data/crimeRatesByState2005.csv") crime = crime[crime.state != "United States"] crime = crime[crime.state != "District of Columbia"] plt.scatter(x=list(crime.murder), y=list(crime.burglary), s=50) plt.xlabel("murder") plt.ylabel("burglary") plt.show()

时间: 2024-03-31 13:37:59 浏览: 101

import numpy as np import matplotlib.pyplot as plt import math

import numpy as np import matplotlib.pyplot as plt import math # 解决图标题中文乱码问题 import matplotlib as mpl mpl.rcParams['font.sans-serif'] = ['SimHei'] # 指定默认字体 mpl.rcParams['axes.unicode_minus'] = False # 解决保存图像是负号'-'显示为方块的问题 #原数据 data=np.array([[72.03,241.2,1592.74],[73.84,241.2,1855.36],[74.49,244.8,2129.60],[76.68,250.9,2486.86],[78.00,250.9,2728.94],[79.68,252.2,3038.90]]) #要预测数据的真实值 data_T=np.array([[81.21,256.5,3458.05],[82.84,259.4,3900.27],[84.5,262.4,4399.06],[86.19,265.3,4961.62],[87

这段代码是用来读取名为 "crimeRatesByState2005.csv" 的文件，并将其中 "state" 列不为 "United States" 和 "District of Columbia" 的行筛选出来。然后使用 Matplotlib 库绘制了一个散点图，横坐标是 "murder" 列数据，纵坐标是 "burglary" 列数据，点的大小为50，横坐标标签为 "murder"，纵坐标标签为 "burglary"，最后展示了这个图。该图反映了美国2005年各州的谋杀率和入室盗窃率之间的关系。

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