哪些错误的代码?: 它返回一个警告:熊猫 - 据帧重新编制函数返回一个警告
警告(从警告模块):文件 “C:\ Python27 \ LIB \站点包\ numpy \ core \ numeric.py“,第2515行 return bool(asarray(a1 == a2).all())FutureWarning:元素比较失败;返回标代替,但在未来会 执行的elementwise比较
import pandas as pd
import numpy as np
Data1 = {'State':['Ohio','Ohio','Ohio','Nevada','Nevada'],'Year':[2000,2001,2002,2001,2002],'POP':[1.5,1.7,3.6,2.4,2.9]}
Frame4 =pd.DataFrame(Data1)
print('\n')
print Frame4
Frame5 = Frame4.reindex(['a','b','c','d','e'])
print Frame5
my o/p
POP State Year
0 1.5 Ohio 2000
1 1.7 Ohio 2001
2 3.6 Ohio 2002
3 2.4 Nevada 2001
4 2.9 Nevada 2002
Warning (from warnings module):
File "C:\Python27\lib\site-packages\numpy\core\numeric.py", line 2515
return bool(asarray(a1 == a2).all())
FutureWarning: elementwise comparison failed; returning scalar instead, but in the future will perform elementwise comparison
POP State Year
a NaN NaN NaN
b NaN NaN NaN
c NaN NaN NaN
d NaN NaN NaN
e NaN NaN NaN
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