tabmashburn / test-getting-and-cleaning-data

test-getting-and-cleaning-data

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