擅长:python、mysql、java
<p>使用从v0.15.0开始提供的Pandas类型<a href="http://pandas.pydata.org/pandas-docs/dev/timedeltas.html">^{<cd1>}</a>,您还可以执行以下操作:</p>
<pre><code>In[1]: import pandas as pd
In[2]: df = pd.DataFrame([ pd.Timestamp('20150111'),
pd.Timestamp('20150301') ], columns=['date'])
In[3]: df['today'] = pd.Timestamp('20150315')
In[4]: df
Out[4]:
date today
0 2015-01-11 2015-03-15
1 2015-03-01 2015-03-15
In[5]: (df['today'] - df['date']).dt.days
Out[5]:
0 63
1 14
dtype: int64
</code></pre>