Statistical Analysis Paper:

The statistical analysis paper is for internal discussions of plans, and it is possible that ACME revisits your analysis. It is therefore imperative that your statistical analysis is clearly and thoroughly documented. You must describe each step you take and why. Methods, hypotheses, and results of the analyses you do should be clearly explained and labeled in the appendix.

https://www.dropbox.com/s/pda9fkc7x0qigdm/glss4_new.zip?dl=0

Using R

Can you also share the code you used in this questions? Thank you.