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| # 数据读取和划分 | |
| # 读取./Task2.xlsx文件, 其中"Yes or No"sheet中为判断数据集,"Factoid"sheet中为填空数据集 | |
| # 两类数据均有200条,列名为"序号"、"问题"、"答案"、文本 | |
| # 每大类的200条数据分为5小类问题,每类40条,按序号顺序依次排列(如地质灾害发育特征、地质灾害经济损失评估等) | |
| # 考虑到构建数据集的时候,连续相邻问题的文本可能来源于同一段,因此切分测试集和训练集的时候不能直接按原始顺序划分,要随机抽取构建初始数据集。 | |
| # 随机抽取时,每小类20条测试+20训练条训练(每大类共计100测试100训练)。 | |
| def split_data(data_path, output_path): | |
| import pandas as pd | |
| import random | |
| # 读取数据 | |
| data_yes_no = pd.read_excel(data_path, sheet_name='Yes or No') | |
| data_factoid = pd.read_excel(data_path, sheet_name='Factoid') | |
| # 划分数据 (Yes or No) | |
| train_data_yes_no = [] | |
| test_data_yes_no = [] | |
| for category in range(5): | |
| category_data = data_yes_no[category * 40:(category + 1) * 40] | |
| random.seed(42) | |
| train = category_data.sample(n=20, random_state=42) | |
| test = category_data.drop(train.index) | |
| train_data_yes_no.append(train) | |
| test_data_yes_no.append(test) | |
| # 划分数据 (Factoid) | |
| train_data_factoid = [] | |
| test_data_factoid = [] | |
| for category in range(5): | |
| category_data = data_factoid[category * 40:(category + 1) * 40] | |
| random.seed(42) | |
| train = category_data.sample(n=20, random_state=42) | |
| test = category_data.drop(train.index) | |
| train_data_factoid.append(train) | |
| test_data_factoid.append(test) | |
| # 合并两个sheet的数据 | |
| train_data_yes_no = pd.concat(train_data_yes_no) | |
| test_data_yes_no = pd.concat(test_data_yes_no) | |
| train_data_factoid = pd.concat(train_data_factoid) | |
| test_data_factoid = pd.concat(test_data_factoid) | |
| # 创建一个 Excel writer 对象 | |
| writer = pd.ExcelWriter(output_path, engine='xlsxwriter') | |
| # 将数据写入不同的 sheet | |
| train_data_yes_no.to_excel(writer, sheet_name='Yes or No Train', index=False) | |
| test_data_yes_no.to_excel(writer, sheet_name='Yes or No Test', index=False) | |
| train_data_factoid.to_excel(writer, sheet_name='Factoid Train', index=False) | |
| test_data_factoid.to_excel(writer, sheet_name='Factoid Test', index=False) | |
| # 保存 Excel 文件 | |
| writer.close() | |
| print(f"数据已保存到 {output_path}") | |
| if __name__ == "__main__": | |
| import pandas as pd | |
| import random | |
| data_path = './data/Task2.xlsx' | |
| output_path = './data/train_test_data.xlsx' | |
| split_data(data_path, output_path) | |