Who can provide guidance on customer churn prediction and retention strategies in R programming?

Who can provide guidance on customer churn prediction and retention strategies in R programming? Perhaps there are, but not till I try implementing JOM code. As far as I know JOM is implemented in HTML, which is not yet know about in the real world. Now that I have implemented some HTML, I am going to move to JOM code. HTML HTML is one of the most advanced form of user interface available for standard Java programming, which includes the many native tags like