擅长:python、mysql、java
<p>您需要先更改列的对象类型(在您的例子中是<code>Predictors</code>)</p>
<pre><code>import pandas as pd
import numpy as np
df=pd.DataFrame(np.arange(20).reshape(5,4), columns=list('abcd'))
df=df.astype(object) # this line allows the signment of the array
df.iloc[1,2] = np.array([99,99,99])
print(df)
</code></pre>
<p>给予</p>
^{pr2}$