擅长:python、mysql、java
<p>为数据帧分配z分数,检查将轻而易举</p>
<pre><code>df['zscore'] = (df['Magnitude'] - df['Magnitude'].mean())/df['Magnitude'].std(ddof=0)
df_outliers=df[df['zscore']>3]
for rogue in df_outliers:
print(rogue)
</code></pre>
<p>或者简单地说:</p>
<pre><code>df_outliers
</code></pre>