So I've been fiddling around with R over the weekends. R is both the name of a programming language and an open-source software which is used for statistical computing. I'm using R in the workplace and it comes equipped with a full suite of packages for various kinds of data manipulation/analysis/etc. Not too long ago, I wondered whether could R be used for investing-related purposes. True enough, there was a package known as quantmod which would be a treasure trove for traders. After some fiddling around, what I liked about quantmod is its ease in importing data from various financial sources (e.g. yahoo finance, google finance, etc) into R itself. As I'm currently vested in some of the Fraser family members, I thought to myself how fun it would be if I could create a function in R that will be able to tell me how correlated the Fraser ......