The R script, run_analysis.R, does the following:
- Load library: reshape2, bitops and RCurl, if its didn't install, you have to do it.
- Get thi zip data if this not have yet.
- Read activities anda features labels.
- Extract features mean and std only.
- Get data trainer and subject_trainer.
- Build dataset with suject, activities of trainer.
- Load test data.
- Build dataset with activities and subjects.
- Build factors activities and subjects.
- Get mean data.