我有以下代码:熊猫GROUPBY存储在一个新的数据帧
import pandas as pd
df1 = pd.DataFrame({'Counterparty':['Bank','Bank','GSE','PSE'],
'Sub Cat':['Tier1','Small','Small', 'Small'],
'Location':['US','US','UK','UK'],
'Amount':[50, 55, 65, 55],
'Amount1':[1,2,3,4]})
df2=df1.groupby(['Counterparty','Location'])[['Amount']].sum()
df2.dtypes
df1.dtypes
的DF2数据帧没有,我汇总了各列(交易对手和地点)。任何想法,为什么是这种情况?金额和金额1都是数字字段。我只是想从指数跨越Amount1
http://pandas.pydata.org/pandas-docs/stable/groupby.html#automatic-exclusion-of-nuisance-columns –