Seaborn regplot中点和线的不同颜色 [英] Different colors for points and line in Seaborn regplot

问题描述

All examples listed in Seaborn's regplot documentation show the same color for dots and the regression line. Changing the color argument changes both. How can one set a different color for the points as the line?

解决方案

You are right in that the color argument changes all the plot elements. However, if you read the last bit of the relevant sentence in the documentation:

color : matplotlib color

Color to apply to all plot elements; will be superseded by colors passed in scatter_kws or line_kws.

Therefore, using scatter_kws or line_kws we can change the color of them individually. Taking the first example given in the documentation:

import seaborn as sns

tips = sns.load_dataset("tips")
ax = sns.regplot(x="total_bill", y="tip", data=tips,
                 scatter_kws={"color": "black"}, line_kws={"color": "red"})

plt.show()

Gives:

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