[英]Scatter plot legend with respect to colour [Python3]
我对 plot 有六个点的 MWE:
import matplotlib.pyplot as plt
plt.scatter(1,2,marker= 'o', color='darkred')
plt.scatter(3,5,marker= 'o', color='yellowgreen')
plt.scatter(11,21,marker= 'o', color='black')
plt.scatter(4,6,marker= 'o', color='blue')
plt.scatter(8,11,marker= 'o', color='yellowgreen')
plt.scatter(2,3,marker= 'o', color='darkred')
plt.show()
我想写一个基于颜色的图例,例如
蓝色 --> first_experiment
黄绿色 --> second_experiment
等等。
任何想法?
尝试添加label
选项:
plt.scatter(1,2,marker= 'o', color='darkred',label='first')
plt.scatter(3,5,marker= 'o', color='yellowgreen', label='second')
plt.scatter(11,21,marker= 'o', color='black')
plt.scatter(4,6,marker= 'o', color='blue')
plt.scatter(8,11,marker= 'o', color='yellowgreen')
plt.scatter(2,3,marker= 'o', color='darkred')
# add the legend
plt.legend()
# show the plot
plt.show()
Output:
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