发布时间:2024-03-22 12:30:02
散点图用于在水平轴和垂直轴上绘制数据点,它表示了因变量随自变量变化的趋势。通俗地讲,它反映的是一个变量受另一个变量的影响程度。import matplotlib.pyplot as plt girls_grades = [89, 90, 70, 89, 100, 80, 90, 100, 80, 34] boys_grades = [30, 29, 49, 48, 100, 48, 38, 45, 20, 30] grades_range = [10, 20, 30, 40, 50, 60, 70, 80, 90, 100] fig=plt.figure() #添加绘图区域 ax=fig.add_axes([0,0,1,1]) ax.scatter(grades_range, girls_grades, color='r',label="girls") ax.scatter(grades_range, boys_grades, color='b',label="boys") ax.set_xlabel('Grades Range') ax.set_ylabel('Grades Scored') ax.set_title('scatter plot') #添加图例 plt.legend() plt.show()代码执行后,输出结果如下:
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