擅长:python、mysql、java
<p>在@mwaskom和<a href="https://stackoverflow.com/questions/15465645/plotting-results-of-pandas-groupby" title="this link">this question</a>的帮助下,我找到了一个解决我发布的问题的方法:</p>
<pre><code>#Assuming df is a pandas data frame with columns 'x', 'y', and 'label'
for key,grp in df.groupby('label'):
plt.plot(grp.x,grp.y,'o-',label = key)
plt.legend(loc = 'best')
</code></pre>