As a repository for notes and thinking
Introduction for the files: 1.notes that starts by "R1" means round 1 of survey(just reading Abstarct, Introduction, Conclusion, Result and Disscustion)
2.notes that starts by "R2" means round 2 of surey(reading main body, algorithm and try code implementation)
3.notes that starts by "R3" means round 3 of surey(reading tests and data prove, know how to show others your work in this research filed)