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import pandas as pd
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import os
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retail_path = 'CabbagePrice_merged.xlsx'
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retail_df = pd.read_excel(retail_path)
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if '평균가격' in retail_df.columns:
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price_col = '평균가격'
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elif '당일' in retail_df.columns:
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price_col = '당일'
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else:
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raise ValueError("가격 정보를 찾을 수 없습니다.")
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retail_df['avg_price'] = (
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retail_df[price_col]
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.astype(str)
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.str.replace(',', '')
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.astype(float)
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.round()
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.astype(int)
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)
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retail_df = retail_df[retail_df['avg_price'] != 0].copy()
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retail_df[['year', 'month', 'day']] = retail_df['DATE'].astype(str).str.split('-', expand=True).astype(int)
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retail_df.sort_values('DATE', inplace=True)
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retail_df['gap'] = retail_df['avg_price'].diff().fillna(0).astype(int)
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final_retail_df = retail_df[['year', 'month', 'day', 'avg_price', 'gap']]
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final_retail_df = final_retail_df.sort_values(['year', 'month', 'day'])
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os.makedirs('store', exist_ok=True)
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output_path = 'store/cabbage_retail.csv'
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final_retail_df.to_csv(output_path, index=False)
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print(f"총 {len(final_retail_df)}행 처리 완료")
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print(f"날짜 범위: {final_retail_df['year'].min()}-{final_retail_df['month'].min()}-{final_retail_df['day'].min()} ~ {final_retail_df['year'].max()}-{final_retail_df['month'].max()}-{final_retail_df['day'].max()}")
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print(f"\n처음 5행:")
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print(final_retail_df.head())
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print(f"\n저장 완료: {output_path}")
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