擅长:python、mysql、java
<p>我怀疑是你专栏的数据类型。正如文件提到的:</p>
<blockquote>
<p>The column headers do not need to have the same type, but the elements within the columns must be the same dtype.</p>
</blockquote>
<p>您可以使用:</p>
<pre><code>dataframe.dtypes
</code></pre>
<p>查看每列的数据类型</p>