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Getting-and-Cleaning-Data-Project:获取和清理数据
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2021-06-28
22:50:16
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获取和清理数据项目 获取和清理数据:课程项目 获取和清理数据项目 比斯瓦吉特曼达尔 用于提交约翰霍普金斯大学获取和清理数据课程的课程项目的回购。 概述 该项目用于演示可用于后续分析的整洁数据集的收集和清理。 该项目中使用的数据的完整描述可以在 还签入了全套数据 项目总结 以下是项目说明的摘要说明 您应该创建一个名为 run_analysis.R 的 R 脚本来执行以下操作。 合并训练集和测试集以创建一个数据集。 仅提取每个测量值的平均值和标准偏差的测量值。 使用描述性活动名称来命名数据集中的活动 使用描述性活动名称适当地标记数据集。 使用每个活动和每个主题的每个变量的平均值创建第二个独立的整洁数据集。 附加信息 您可以在 CodeBook.MD 文件中找到有关变量、数据和转换的其他信息。
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