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主页 / user-501499

lmnsv03's questions

Martin Hope
lmnsv03
Asked: 2024-02-21 05:11:55 +0000 UTC

从 pandas 库调用 .mean() 方法时出错

  • 6
import pandas as pd
dict = {'Company': ['COMP1', 'COMP1', 'COMP2', 'COMP2', 'COMP3', 'COMP3'],
        'Months': ['MAR', 'APR', 'MAY', 'JUN', 'JUL', 'AUG'],
        'Salary': [2000, 1500, 3000, 5000, 2500, 3500]}
df = pd.DataFrame(dict)
print(df)
df.groupby('Company').mean()

我正在使用3.12版本,我认为该版本有错误,然后我切换到3.10,但问题仍然存在。请各位程序员帮忙!!!

File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\generic.py", line 12370, in _stat_function
    return self._reduce(   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\series.py", line 6437, in _reduce
    return op(delegate, skipna=skipna, **kwds)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\nanops.py", line 147, in f
    result = alt(values, axis=axis, skipna=skipna, **kwds)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\nanops.py", line 404, in new_func
    result = func(values, axis=axis, skipna=skipna, mask=mask, **kwargs)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\nanops.py", line 720, in nanmean
    the_sum = _ensure_numeric(the_sum)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\nanops.py", line 1701, in _ensure_numeric
    raise TypeError(f"Could not convert string '{x}' to numeric") TypeError: Could not convert string 'MARAPR' to numeric

The above exception was the direct cause of the following exception:

Traceback (most recent call last):   File "D:\pyprojects\pythonProject1\pandas&numpy.py", line 245, in <module>
    df.groupby('Company').mean()   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\groupby\groupby.py", line 2452, in mean
    result = self._cython_agg_general(   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\groupby\groupby.py", line 1998, in _cython_agg_general
    new_mgr = data.grouped_reduce(array_func)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\internals\managers.py", line 1470, in grouped_reduce
    applied = sb.apply(func)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\internals\blocks.py", line 393, in apply
    result = func(self.values, **kwargs)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\groupby\groupby.py", line 1995, in array_func
    result = self._agg_py_fallback(how, values, ndim=data.ndim, alt=alt)   File "C:\Users\respu\AppData\Local\Programs\Python\Python310\lib\site-packages\pandas\core\groupby\groupby.py", line 1946, in _agg_py_fallback
    raise type(err)(msg) from err TypeError: agg function failed [how->mean,dtype->object]
python
  • 1 个回答
  • 28 Views
Martin Hope
lmnsv03
Asked: 2022-07-21 21:55:38 +0000 UTC

如何停止 if 函数?(第 24 行)

  • 0

如何停止 if 函数?也就是说,如果满足条件,则程序终止。而且,如果评估编写的代码不难,我只是在学习。任务的本质:两个玩家玩。有10根棍子。玩家轮流使用一到三根棍子。玩到木棍用完。拿走最后一个的人——他输了。

palochki = int(10)
"""первый ход"""
player1 = print('Игрок 1: Уберите от 1 до 3 палочек: ')
hod1 =(int(input()))
result1 = print('Осталось палочек : ')
result2 = print(palochki - hod1)
palochki2= palochki - hod1

"""второй ход"""
player2 = print("Игрок 2 : Уберите от 1 до 3 палочек")
hod2 =(int(input()))
result3 = print('Осталось палочек : ')
result4 = print(palochki2 - hod2)
palochki3 = palochki2 - hod2
"""третий ход"""

player1 = print('Игрок 1: Уберите от 1 до 3 палочек: ')
hod3=(int(input()))
result5 = print('Осталось палочек :')
result6 = print(palochki3 - hod3)
palochki4 = palochki3 -hod3
"""четвёртый ход"""
player2 = print("Игрок 2 : Уберите от 1 до 3 палочек")
hod4=(int(input()))
if hod4 >= palochki4:
    print("Игрок 2 : Вы проиграли")
else:
    result7 = print("Осталось палочек :")
result8 = print(palochki4 - hod4)
palochki5 = palochki4 - hod4

"""пятый ход"""
player1 = print("Игрок 1 : Уберите от 1 до 3 палочек")
hod5=(int(input()))
if hod5 >= palochki5:
    print("Игрок 1 : Вы проиграли")
else:
    result9 = print("Осталось палочек :")
result10 = print(palochki5 - hod5)
palochki6 = palochki5 - hod5
"""шестой ход"""
player2 = print("Игрок 2 : Уберите от 1 до 3 палочек")
hod6=(int(input()))
if hod6 >= palochki5:
    print("Игрок 2 : Вы проиграли")
else:
    result11 = print("Осталось палочек :")
result12 = print(palochki6 - hod6)
palochki7 = palochki6 - hod6
"""седьмой ход"""

player1 = print("Игрок 1 : Уберите от 1 до 3 палочек")
hod7=(int(input()))
if hod7 >= palochki7:
    print("Игрок 1 : Вы проиграли")
else:
    result13 = print("Осталось палочек :")
result14 = print(palochki7 - hod7)
palochki8 = palochki7 - hod7

"""восьмой ход"""
player2 = print("Игрок 2 : Уберите от 1 до 3 палочек")
hod8=(int(input()))
if hod8 >= palochki8:
    print("Игрок 2 : Вы проиграли")
else:
    result15 = print("Осталось палочек :")
result16 = print(palochki8 - hod8)
palochki9 = palochki8 - hod8
"""девятый ход"""

player1 = print("Игрок 1 : Уберите от 1 до 3 палочек")
hod9=(int(input()))
if hod9 >= palochki9:
    print("Игрок 2 : Вы проиграли")
else:
    result17 = print("Осталось палочек :")
result18 = print(palochki9 - hod9)
palochki10 = palochki9 - hod9

"""десятый ход"""
player2 = print("Игрок 2 : Уберите от 1 до 3 палочек")
hod10=(int(input()))
if hod10 >= palochki10:
    print("Игрок 2 : Вы проиграли")
else:
    result19 = print("Осталось палочек :")
result20 = print(palochki10 - hod10)
python if
  • 1 个回答
  • 61 Views

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