擅长:python、mysql、java
<p>同时使用<code>ascending</code>和<code>inplace</code>:</p>
<pre><code>df = pd.DataFrame({'Sample ID': [1,2,3], 'Sample Type':['Metastatis', 'Metastasis',
'Primary'],})
df.sort_values(['Sample Type'], ascending=False, inplace=True)
df
</code></pre>
<p><em>输出</em></p>
<pre><code>Sample ID Sample Type
2 3 Primary
0 1 Metastatis
1 2 Metastasis
</code></pre>