擅长:python、mysql、java
<p>定义要在列-<code>A</code>上运行的函数</p>
<p>然后使用<code>apply</code>方法使用lambda函数将其应用于整个列</p>
<p>示例:</p>
<pre><code>def your_function(x):
# x is individual value from desired column
# operate on x here. For eg. square(x)
return x**2
df["Emb_A"] = df["A"].apply(lambda x: your_function(x))
</code></pre>