擅长:python、mysql、java
<p>对waitingkuo来说似乎得到了同样的结果,但分成了几个步骤:</p>
<pre><code>In[127]:
aae = data['AAT'].close
aar = data['AAR'].close
df = pd.DataFrame({'AAE': aae, 'AAR': aar})
df = df.dropna()
print aae.head()
print aar.head()
df.head()
Out[127]:
date
1992-01-20 1.56073
1992-01-22 1.56073
1992-01-24 1.56073
1992-01-31 1.56073
1992-02-03 1.56073
Name: close
date
1992-01-02 0.11657
1992-01-03 0.11657
1992-01-07 0.12628
1992-01-09 0.12628
1992-01-10 0.13600
Name: close
AAE AAR
1992-01-24 1.56073 0.12628
1992-01-31 1.56073 0.12628
1992-02-03 1.56073 0.12628
1992-02-04 1.56073 0.13600
1992-02-12 1.56073 0.13600
</code></pre>