擅长:python、mysql、java
<p>你在找熊猫<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.groupby.html" rel="nofollow">^{<cd1>}</a>。在</p>
<pre><code>df.groupby('Dog_breed').agg(['count', 'sum'])
</code></pre>
<p>阅读以下内容以获得更明确的理解:<a href="http://pandas.pydata.org/pandas-docs/stable/groupby.html" rel="nofollow">http://pandas.pydata.org/pandas-docs/stable/groupby.html</a></p>