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This script reasembles the test and training data provided by the client, then separates out the mean() and std() data for the X,Y and Z axis for summary.
It summarises this subset of data, providing the mean for each of these variables for each subject and activity.
The output is a tab delimited file called AverageSubjectActvities.txt.
As per the client request, the variable names have been tidied and user friendly activity names have been added.
Please see the CodeBook at https://github.com/caraka/datasciencecoursera/blob/master/CodeBook.md for more details about the operations performed.