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import os
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import pandas as pd
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cabbage_path = 'CabbagePrice_merged.xlsx'
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intake_path = 'CabbageIntake_merged.xlsx'
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cabbage_df = pd.read_excel(cabbage_path, sheet_name=0)
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intake_df = pd.read_excel(intake_path, sheet_name=0)
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grade_ratio = {
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'특': ('SPECIAL', 0.05),
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'상': ('HIGH', 0.35),
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}
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filtered = cabbage_df[cabbage_df['등급명'].isin(grade_ratio)].copy()
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if '평균가격' in filtered.columns:
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price_col = '평균가격'
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elif '당일' in filtered.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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filtered['avg_price'] = filtered[price_col].astype(str).str.replace(',', '').astype(int)
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filtered = filtered[filtered['avg_price'] != 0]
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filtered['rate'] = filtered['등급명'].map(lambda x: grade_ratio[x][0])
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filtered['비율'] = filtered['등급명'].map(lambda x: grade_ratio[x][1])
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intake_df = intake_df[['DATE', '총반입량']].copy()
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intake_df.rename(columns={'총반입량': 'total_intake'}, inplace=True)
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merged = pd.merge(filtered, intake_df, on='DATE', how='inner')
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merged['intake'] = (merged['total_intake'] * merged['비율']).round().astype(int)
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merged[['year', 'month', 'day']] = merged['DATE'].astype(str).str.split('-', expand=True).astype(int)
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merged.sort_values(['rate', 'DATE'], inplace=True)
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merged['gap'] = merged.groupby('rate')['avg_price'].diff().fillna(0).astype(int)
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final_df = merged[['year', 'month', 'day', 'intake', 'avg_price', 'gap', 'rate']]
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final_df = final_df.sort_values(['year', 'month', 'day', 'rate'])
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final_df.sort_values(by=['rate', 'year', 'month', 'day'], inplace=True)
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os.makedirs('store', exist_ok=True)
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output_path = 'store/cabbage_separated.csv'
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final_df.to_csv(output_path, index=False)
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print(f"총 {len(final_df)}행 처리 완료")
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print(f"날짜 범위: {final_df['year'].min()}-{final_df['month'].min()}-{final_df['day'].min()} ~ {final_df['year'].max()}-{final_df['month'].max()}-{final_df['day'].max()}")
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print(f"\n등급별 데이터 수:")
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print(final_df['rate'].value_counts())
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print(f"\n처음 10행:")
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print(final_df.head(10))
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print(f"\n저장 완료: {output_path}")
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