擅长:python、mysql、java
<p>您必须将<code>DRTN_IN_SCND</code>和<code>time_begin</code>转换为时间增量如果您想对列进行正确的计算,pandas有<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.to_timedelta.html" rel="nofollow">to_timedelta</a>这非常方便:</p>
<pre><code>df['DRTN_IN_SCND'] = pd.to_timedelta(df['DRTN_IN_SCND'], unit='s')
df['time_begin'] = pd.to_timedelta(df['time_begin'])
df['new_time'] = df['time_begin'] + df['DRTN_IN_SCND']
</code></pre>
<p>这将为您提供新列<code>new_time</code>:</p>
^{pr2}$