擅长:python、mysql、java
<p>你可能想要这样的东西:</p>
<pre><code>u83 = results.loc[results['Weight Class'] == 83, 'Wilks']
plt.hist(u83)
</code></pre>
<p>你可能想读这些<a href="http://pandas.pydata.org/pandas-docs/stable/indexing.html" rel="nofollow">docs on indexing</a>。。。在</p>