this assignment performed based on instruction provided by Coursera as course project. It is related to manipulation of data collected from the accelerometers from the Samsung Galaxy S smartphone. The R script "run_analysis.R" consists of five steps based on the instruction and as follow:
Download and reading the files
-Download
-reading training data
-reading testing data
-reading feature data
-assiging column names
#step1-merging
#step2-Extracts only the measurements on the mean and standard deviation for each measurement.
#step3-Uses descriptive activity names to name the activities in the data set
#step4-Appropriately labels the data set with descriptive variable names
#step5-From the data set in step 4, creates a second, independent tidy data set with the average of each variable for each
#writing tidyDataSet
End