質問編集履歴
2
誤字訂正
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import pandas as pd
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from matplotlib import pyplot as plt
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df = pd.read_csv('KKtest81.csv',encoding="utf-8",header=0)
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df["Time"] = pd.to_datetime(df["Time"])
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plt.show()
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```
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utf-8、ファイル指定、エラーコードを更新しました。
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```
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```ここに言語を入力
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import pandas as pd
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from matplotlib import pyplot as plt
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import matplotlib.dates as mdates
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import datetime
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df = pd.read_csv('C:\Users\AK\Documents\Ktemp\KKtest81.csv',encoding="shift_jis",header=0)
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df = pd.read_csv('KKtest81.csv',encoding="utf-8",header=0)
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df["Time"] = pd.to_datetime(df["Time"])
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start_datetime = df.iloc[0]["Time"]
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df.plot()
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## 気温グラフ
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plt.title('Temperature Aug_01 @
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plt.title('Temperature Aug_01 @Kanagawa')
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plt.xlabel('Time')
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plt.ylabel('Temperature[℃]')
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plt.grid(axis='y',c='gainsboro', zorder=9)
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plt.savefig('
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plt.savefig('KK8.1.png', bbox_inches="tight")
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plt.show()
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```
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エラー
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```ここに言語を入力
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ValueError: view limit minimum -36854.182916666665 is less than 1 and is an invalid Matplotlib date value. This often happens if you pass a non-datetime value to an axis that has datetime units
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exec(compile(f.read(), filename, 'exec'), namespace)
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<Figure size 432x288 with 1 Axes>
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df = pd.read_csv('C:\Users\AK\Documents\Ktemp\KKtest81.csv',encoding="shift_jis",header=0)
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^
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SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape
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```
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