python画图折线图饼图柱状图

桃扇骨 2022-05-20 20:47 313阅读 0赞

**折线图**

import numpy as np
    from matplotlib import pyplot as plt
    plt.rcParams['font.sans-serif'] = ['SimHei']  # 用来正常显示中文标签 plt.reParams是一个配置表
    plt.rcParams['axes.unicode_minus'] = False  # 用来正常显示负号
    plt.figure(figsize=(7, 5))
    x = np.linspace(0, 2 * np.pi, 50)
    y = np.sin(x)
    plt.xlabel(u'自变量')
    plt.ylabel(u'因变量')
    plt.title(u'正弦曲线')
    plt.plot(x, y, 'ro--') #红色圆圈加虚线
    plt.show()

![这里写图片描述][70]  
**饼图**

from matplotlib import pyplot as plt
    
    #画出饼图的关键就是定义标签和每一块的颜色
    labels = ['Frogs', 'Hogs', 'Dogs', 'Logs']
    sizes = [15, 30, 45, 10]
    colors = ['yellowgreen', 'gold', 'lightskyblue', 'lightcoral']
    explode = (0, 0.1, 0, 0) #突出显示
    
    plt.pie(sizes, explode=explode, labels=labels, colors=colors, autopct='%1.1f%%', shadow=True, startangle=90)
    plt.axis('equal')  #避免比例压缩为椭圆
    plt.show()

![这里写图片描述][70 1]  
**柱状图**

import numpy as np
    import matplotlib.pyplot as plt
    ATT_LSTM = [0.8892,0.861,0.9243]
    MATT_CNN = [0.8966,0.8556,0.9316]
    ATT_RLSTM = [0.8867,0.8543,0.9344]
    CNN_RLSTM = [0.9016,0.8636,0.9435]
    #x = ['REST','LAPT','AUTO']
    x = np.arange(3)
    
    total_width, n = 0.8, 4    # 有多少个类型，只需更改n即可
    width = total_width / n
    x = x - (total_width - width) / 2
    
    plt.bar(x, ATT_LSTM, color = "red",edgecolor = "k",width=width,hatch = "/",label='ATT-LSTM ')#edgecolor柱状边框颜色，hatch填充的内容
    plt.bar(x + width, MATT_CNN, color = "yellowgreen",edgecolor = "k",width=width, hatch = "+",label='MATT-CNN')
    plt.bar(x + 2 * width, ATT_RLSTM , color = "lightskyblue",edgecolor = "k",width=width, hatch = "*",label='ATT-RLSTM')
    plt.bar(x + 3 * width, CNN_RLSTM , color = "lightcoral",edgecolor = "k",width=width, hatch = "\\",label='CNN-RLSTM')
    plt.xlabel("dataset")
    plt.ylabel("accuracy")
    plt.legend(loc = "best")
    plt.xticks([0,1,2],['REST','LAPT','AUTO'])
    my_y_ticks = np.arange(0.8, 0.95, 0.02)
    plt.ylim((0.8, 0.95))
    plt.yticks(my_y_ticks)
    plt.show()

![这里写图片描述][70 2]

[70]: /images/20220521/8ec4f9c8842b4fa182e0597eea7c3923.png
[70 1]: /images/20220521/494111dde1344e879e423d74f454a27a.png
[70 2]: /images/20220521/4e6b2e393a724b5ca7b9076a5f9d3bc3.png