擅长:python、mysql、java
<p>您可以将<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.add.html" rel="nofollow">^{<cd1>}</a>与<a href="http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.shift.html" rel="nofollow">^{<cd2>}</a>ed<code>DataFrame</code>一起使用:</p>
<pre><code>print (df.shift(-1,axis=1))
age1 age2 age3 age4
Id#
1001 6.0 2.0 8.0 NaN
1002 6.0 1.0 0.0 NaN
1003 9.0 7.0 5.0 NaN
1004 12.0 5.0 9.0 NaN
print (df.add(df.shift(-1,axis=1), fill_value=0))
age1 age2 age3 age4
Id#
1001 11.0 8.0 10.0 8.0
1002 13.0 7.0 1.0 0.0
1003 19.0 16.0 12.0 5.0
1004 21.0 17.0 14.0 9.0
</code></pre>
<p>如果需要使用<code>1</code>进行移位(默认参数,省略):</p>
^{pr2}$