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  • Python-Matplotlib 5 条形图

    Python-Matplotlib 5 条形图

    Example 1 

    import numpy as np
    import matplotlib.pyplot as plt
    
    N = 5
    y = [20, 10, 30, 25, 15]
    index = np.arange(5)
    print(index)
    #p1 = plt.bar(left=index, height=y)
    #p1 = plt.bar(left=index, height=y, color='red',width=0.5,)
    
    # orientation='horizontal'
    p1 = plt.bar(left=0,bottom=index , width=y, color='yellow',height=0.5, orientation='horizontal')
    plt.show()
    

      

    Example 2

    import numpy as np
    import matplotlib.pyplot as plt
    
    N = 5
    y1 = [20, 10, 30, 25, 15]
    y2 = [15, 14, 34 ,10,5]
    index = np.arange(5)
    
    bar_width = 0.3
    plt.bar(index , y1, width=0.3 , color='y')
    plt.bar(index +  bar_width, y2, width=0.3 , color='b')
    plt.show()
    

    Example 3

    import numpy as np
    import matplotlib.pyplot as plt
    
    N = 5
    y1 = [20, 10, 30, 25, 15]
    y2 = [15, 14, 34 ,10,5]
    index = np.arange(5)
    
    bar_width = 0.3
    plt.bar(index , y1, width=0.3 , color='y')
    plt.bar(index , y2, width=0.3 , color='b' ,bottom=y1)
    plt.show()
    

      

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  • 原文地址:https://www.cnblogs.com/zsr0401/p/6405344.html
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