train.pop ??

• 학습 관련 질문을 남겨주세요. 상세히 작성하면 더 좋아요!

• 질문과 관련된 영상 위치를 알려주면 더 빠르게 답변할 수 있어요

• 먼저 유사한 질문이 있었는지 검색해보세요

•  

• 안녕하세요. 시나공과 인프런 병행하고 있는 생초보입니다. 2과목 문제에서 자꾸

• train.pop 을 쓰면 해당 칼럼이 없어져서 그 이후부터는 에러만 나옵니다. (train.pop이 문제인지도 확실히 모릅니다. 챗지피티 검색해보앗습니다)

• KeyError: 'Segmentation'

• 뭐가 문젠지 모르겠습니다 ㅠㅠ
  

  train.shape, test.shape
  
  train.head(3)
  
  train.info()
  
  train.describe()
  
  train.describe(include='object')
  
  test.describe(include='object')
  
  train.isnull().sum().sum()
  test.isnull().sum().sum()
  
  target=train.pop('Segmentation')
  print(train.shape, test.shape)
  train = pd.get_dummies(train)
  test = pd.get_dummies(test)
  print(train.shape, test.shape)

  KeyError                                  Traceback (most recent call last)
  /usr/local/lib/python3.11/dist-packages/pandas/core/indexes/base.py in get_loc(self, key)
     3804         try:
  -> 3805             return self._engine.get_loc(casted_key)
     3806         except KeyError as err:
  
  index.pyx in pandas._libs.index.IndexEngine.get_loc()
  
  index.pyx in pandas._libs.index.IndexEngine.get_loc()
  
  pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
  
  pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
  
  KeyError: 'Segmentation'
  
  The above exception was the direct cause of the following exception:
  
  KeyError                                  Traceback (most recent call last)
  4 frames
  <ipython-input-25-73fc94c13b3a> in <cell line: 0>()
       15 test.isnull().sum().sum()
       16 
  ---> 17 target=train.pop('Segmentation')
       18 print(train.shape, test.shape)
       19 train = pd.get_dummies(train)
  
  /usr/local/lib/python3.11/dist-packages/pandas/core/frame.py in pop(self, item)
     5817         3  monkey        NaN
     5818         """
  -> 5819         return super().pop(item=item)
     5820 
     5821     def _replace_columnwise(
  
  /usr/local/lib/python3.11/dist-packages/pandas/core/generic.py in pop(self, item)
      945 
      946     def pop(self, item: Hashable) -> Series | Any:
  --> 947         result = self[item]
      948         del self[item]
      949 
  
  /usr/local/lib/python3.11/dist-packages/pandas/core/frame.py in __getitem__(self, key)
     4100             if self.columns.nlevels > 1:
     4101                 return self._getitem_multilevel(key)
  -> 4102             indexer = self.columns.get_loc(key)
     4103             if is_integer(indexer):
     4104                 indexer = [indexer]
  
  /usr/local/lib/python3.11/dist-packages/pandas/core/indexes/base.py in get_loc(self, key)
     3810             ):
     3811                 raise InvalidIndexError(key)
  -> 3812             raise KeyError(key) from err
     3813         except TypeError:
     3814             # If we have a listlike key, _check_indexing_error will raise
  
  KeyError: 'Segmentation'