擅长:python、mysql、java
<p>您可以分别对数据帧执行透视表,并将它们连接在一起。你知道吗</p>
<p>我是这样做的。你知道吗</p>
<pre><code>`df = pd.DataFrame({'Temp1':[62,62,50,62,50,62,62],
'Temp2':[66,66,69,66,69,66,66],
'Temp3':[52,62,52,62,52,62,52],
'Target':[0.24,0.28,0.25,0.28,0.25,0.28,0.24]})
df1 = pd.pivot_table(df, values=['Target'],
index=['Temp1','Temp2','Temp3']).\
rename(columns={'Target':'target'})
df2 = pd.pivot_table(df,
index=['Temp1','Temp2','Temp3'],
aggfunc='count').rename(columns={'Target':'counts'})
df = df1.join(df2)
print(df)`
</code></pre>
<p><a href="https://i.stack.imgur.com/D4aye.jpg" rel="nofollow noreferrer">output</a></p>