Quantitative Investing

(This article was first published on Revolutions, and kindly contributed to R-bloggers)
R is a functional language, which means that your code often contains a lot of ( parentheses ).

Today, I want to demonstrate how easy it is to create a seasonality analysis study and produce a sample summary report. As an example study, I will use S&P Annual Performance After a Big January post by Avondale Asset Management.