擅长:python、mysql、java
<p>看看熊猫群比
<a href="https://www.shanelynn.ie/summarising-aggregation-and-grouping-data-in-python-pandas/" rel="nofollow noreferrer">https://www.shanelynn.ie/summarising-aggregation-and-grouping-data-in-python-pandas/</a></p>
<p>但是,为了访问分组的数据帧,仍然需要太多的循环</p>
<p>关于您希望通过dataframe+目的地访问dataframe
只需将数据帧写入字典:</p>
<p><strong>片段:</strong></p>
<pre><code>dic={}
grouped_df = data.groupby('ARR')
for dest,df in grouped_df:
dic[dest] = df
</code></pre>