質問編集履歴
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エラーコード詳細の追加
test
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test
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@@ -12,7 +12,38 @@
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### 発生している問題・エラーメッセージ
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```
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---------------------------------------------------------------------------
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KeyError Traceback (most recent call last)
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Input In [2], in <cell line: 5>()
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3 """df=pd.read_csv('csv in/observationdata.csv',names=['time','voltage'])"""
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4 df=pd.read_csv('csv in/observationdata.csv')
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----> 5 df[(df["time"])]
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6 t=df['time']
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7 f=df['voltage'] # 変更部分
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File ~/miniforge3/envs/test1/lib/python3.9/site-packages/pandas/core/frame.py:3511, in DataFrame.__getitem__(self, key)
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3509 if is_iterator(key):
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3510 key = list(key)
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-> 3511 indexer = self.columns._get_indexer_strict(key, "columns")[1]
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3513 # take() does not accept boolean indexers
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3514 if getattr(indexer, "dtype", None) == bool:
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File ~/miniforge3/envs/test1/lib/python3.9/site-packages/pandas/core/indexes/base.py:5782, in Index._get_indexer_strict(self, key, axis_name)
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5779 else:
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5780 keyarr, indexer, new_indexer = self._reindex_non_unique(keyarr)
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-> 5782 self._raise_if_missing(keyarr, indexer, axis_name)
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5784 keyarr = self.take(indexer)
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5785 if isinstance(key, Index):
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5786 # GH 42790 - Preserve name from an Index
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File ~/miniforge3/envs/test1/lib/python3.9/site-packages/pandas/core/indexes/base.py:5842, in Index._raise_if_missing(self, key, indexer, axis_name)
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5840 if use_interval_msg:
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5841 key = list(key)
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-> 5842 raise KeyError(f"None of [{key}] are in the [{axis_name}]")
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5844 not_found = list(ensure_index(key)[missing_mask.nonzero()[0]].unique())
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5845 raise KeyError(f"{not_found} not in index")
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KeyError: "None of [Float64Index([ 0.0, 5e-06, 1e-05, 1.5e-05, 2e-05, 2.5e-05,\n 3e-05, 3.5e-05, 4e-05, 4.5e-05,\n ...\n 5.242825, 5.24283, 5.242835, 5.24284, 5.242845, 5.24285,\n 5.242855, 5.24286, 5.242865, 5.24287],\n dtype='float64', length=1048575)] are in the [columns]"
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```
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### 該当のソースコード
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