擅长:python、mysql、java
<p>convert_对象已弃用。</p>
<p>对于pandas>;=0.17.0,使用<a href="https://pandas.pydata.org/pandas-docs/stable/generated/pandas.to_numeric.html" rel="noreferrer">pd.to_numeric</a></p>
<pre><code>df["2nd"] = pd.to_numeric(df["2nd"])
</code></pre>