擅长:python、mysql、java
<p>为了更彻底,这也可以使用Groupby来完成,我在Wes McKinney的博客上找到了它,尽管drop\u duplicates更干净、更高效。在</p>
<p><a href="http://wesmckinney.com/blog/filtering-out-duplicate-dataframe-rows/" rel="nofollow">http://wesmckinney.com/blog/filtering-out-duplicate-dataframe-rows/</a></p>
<pre><code>>index = [gp_keys[0] for gp_keys in df_new_grouped.groups.values()]
>unique_df = df_new.reindex(index)
>unique_df
</code></pre>