python dataframe根据列号取出列
阅读量:
searchstar
2020-12-10 14:44:47
Categories:
Tags:
原文:https://thispointer.com/select-rows-columns-by-name-or-index-in-dataframe-using-loc-iloc-python-pandas/
比如这个数据:
students = pd.DataFrame([ ('jack', 34, 'Sydeny') , ('Riti', 30, 'Delhi' ) , ('Aadi', 16, 'New York') ], columns = ['Name' , 'Age', 'City'], index=['a', 'b', 'c'])
|
Name Age City a jack 34 Sydeny b Riti 30 Delhi c Aadi 16 New York
|
注意列号是从0开始的。取出列号为1的列:
a 34 b 30 c 16 Name: Age, dtype: int64
|
取出列号为0和2的列:
Name City a jack Sydeny b Riti Delhi c Aadi New York
|