擅长:python、mysql、java
<p>单独调用<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.add.html#pandas.DataFrame.add" rel="nofollow">^{<cd1>}</a>和<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.shift.html#pandas.DataFrame.shift" rel="nofollow">^{<cd2>}</a>,然后需要调用<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.dropna.html#pandas.DataFrame.dropna" rel="nofollow">^{<cd3>}</a>:</p>
<pre><code>In [228]:
df.add(df.shift()).dropna()
Out[228]:
A B
1 4 5
2 8 7
3 14 11
</code></pre>