擅长:python、mysql、java
<p>你能帮我们吗数据框连接在</p>
<p>你必须创建一个新的数据帧来标识奢侈品/非奢侈品。在</p>
<pre><code>veh = ['toyota','hyundai','cadillac']
yr = [2016,2016,2016]
lux = ['non','non','lux']
#recreating your lux/non layout
n_lux = [veh[0],veh[1]]
lux = [veh[2]]
#then making a new column
b = ['non' if v in n_lux else 'lux' for v in veh]
A = pd.DataFrame(np.array([veh,yr]).T)
B =pd.DataFrame(np.array([veh,b]).T)
pd.concat([A,B],axis = 1, keys = [0])
</code></pre>