擅长:python、mysql、java
<p>下面是对您有帮助的片段</p>
<pre><code>from pandas import DataFrame
data = [['Thursday 4 January', 11.58, 0.38], ['Thursday 4 January', 16.95, 0.73], ['Thursday 4 January', 23.68, 0.02],
['Friday 5 January', 6.48, 0.83], ['Friday 5 January', 12.42, 0.33]]
df = DataFrame.from_records(data)
df.columns = ["Date", "Value", "Height"]
df.groupby(['Date'])['Height'].max()
df.groupby(['Date'])['Height'].min()
</code></pre>
<p>输出:</p>
<p>日期
1月5日星期五0.83
1月4日星期四0:73</p>
<p>日期
1月5日星期五0:33
1月4日星期四0:02</p>