GettingCleaningData_Project:此 repo 包含 Coursera--Getting & Cleani...

获取清洁数据_项目 ##This repo 包含 Coursera--Getting & Cleaning Data 课程项目的文件 项目源数据下载链接：（请解压到你的R工作目录） * 项目目标 From the downloaded source data: 1. Merges the training and the test sets to create one data set. 2. Extracts only the measurements on the mean and standard deviation for each measurement. 3. Uses descriptive activity names to name the activities in the data set 4. Appropriately labels the data set