擅长:python、mysql、java
<p>因为我想要一个pandas数据帧,所以我实际上创建了一个字典列表(为了有列名):</p>
<pre><code>import pandas as pd
combs = [ {'factor1':f1, 'factor2':f2, 'factor3':f3, 'val':val} for f1 in factor1 for f2 in factor2 for f3 in factor3 ]
df = pd.DataFrame(combs)
</code></pre>