时间:2021-06-11 08:10:53 | 栏目:Python代码 | 点击:次
例子:
创建DataFrame
### 导入模块
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
test = pd.DataFrame({'a':[11,22,33],'b':[44,55,66]})
"""
a b
0 11 44
1 22 55
2 33 66
"""
更改列名方法一:rename
test.rename(columns={'a':'c'},inplace=True)
"""
c b
0 11 44
1 22 55
2 33 66
""""
更改列明方法二:直接赋值
test.columns = ['c','b']