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getcleandata:获取和清理数据 Coursera 课程的课程项目存储库
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2021-06-17
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获取清洁数据 获取和清理数据 Coursera 类的项目,此 README 文件描述了脚本以及它们如何工作以生成最终数据集。 项目目标和具体任务 该项目的目的是展示您收集、处理和清理数据集的能力。 目标是准备可用于以后分析的整洁数据。 您的同行将根据与项目相关的一系列是/否问题对您进行评分。 您将需要提交: 如下所述的整洁数据集 带有用于执行分析的脚本的 Github 存储库链接,以及 描述变量、数据以及您为清理数据而执行的任何转换或工作的代码簿,称为 CodeBook.md。 你还应该在你的脚本的 repo 中包含一个 README.md。 这个 README 文件解释了所有脚本的工作原理以及它们是如何连接的。 您应该创建一个名为 run_analysis.R 的 R 脚本,它执行以下操作: 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。
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