質問編集履歴
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import 文の変更
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```python
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import andas as pd
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import pandas as pd
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import seaborn as sns
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from sklearn import KMeans
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from sklearn.cluster import KMeans
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エラーメッセージを追加しました。モジュールのインポート宣言を追加しました。
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```python
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import andas as pd
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import seaborn as sns
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from sklearn import KMeans
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features = np.array([
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```
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```ここに言語を入力
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---------------------------------------------------------------------------
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KeyError Traceback (most recent call last)
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/usr/local/lib/python3.6/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
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2889 try:
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-> 2890 return self._engine.get_loc(key)
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2891 except KeyError:
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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KeyError: 'label'
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During handling of the above exception, another exception occurred:
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KeyError Traceback (most recent call last)
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<ipython-input-134-0c6750a0a143> in <module>
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56 # colors = [color_codes[x] for x in labels]
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57 # plotting.scatter_matrix(df)
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---> 58 sns.pairplot(df_concat.iloc[:,:3], hue='label',diag_kind='kde')
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60 #put labels aside
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/usr/local/lib/python3.6/dist-packages/seaborn/axisgrid.py in pairplot(data, hue, hue_order, palette, vars, x_vars, y_vars, kind, diag_kind, markers, height, aspect, dropna, plot_kws, diag_kws, grid_kws, size)
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2082 hue_order=hue_order, palette=palette,
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2083 diag_sharey=diag_sharey,
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-> 2084 height=height, aspect=aspect, dropna=dropna, **grid_kws)
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2085
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2086 # Add the markers here as PairGrid has figured out how many levels of the
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/usr/local/lib/python3.6/dist-packages/seaborn/axisgrid.py in __init__(self, data, hue, hue_order, palette, hue_kws, vars, x_vars, y_vars, diag_sharey, height, aspect, despine, dropna, size)
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1288 index=data.index)
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1289 else:
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-> 1290 hue_names = utils.categorical_order(data[hue], hue_order)
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1291 if dropna:
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1292 # Filter NA from the list of unique hue names
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/usr/local/lib/python3.6/dist-packages/pandas/core/frame.py in __getitem__(self, key)
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2973 if self.columns.nlevels > 1:
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2974 return self._getitem_multilevel(key)
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-> 2975 indexer = self.columns.get_loc(key)
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2976 if is_integer(indexer):
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2977 indexer = [indexer]
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/usr/local/lib/python3.6/dist-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
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2890 return self._engine.get_loc(key)
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2891 except KeyError:
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-> 2892 return self._engine.get_loc(self._maybe_cast_indexer(key))
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2893 indexer = self.get_indexer([key], method=method, tolerance=tolerance)
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2894 if indexer.ndim > 1 or indexer.size > 1:
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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KeyError: 'label'
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```
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ここでhue='label'にするとエラーがでてしまいます。labelのデータタイプはオブジェクトのはずなのですが、、、
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