getting-and-cleaning-data's Introduction
The course project does the following: 1. Merges two data sets into one (train and test). 2. Extracts mean and std values 3. Adds a column of numbers and another column of names for the type of activity measured by the senses 4. Labels the dataset columns with explanatory headings 5. Writes a ned file tidy_data containing identifiers for subjects and activities and a subset of the measurements (mean values) 1. Download the raw data and put it into a folder 2. Put the program in the parent folder of the datasets 3. Run the program and check for the tidy_data file The program depends on the packages "reshape2" and "data.table"
getting-and-cleaning-data's People
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