We use insight from [Irizarry, Koren] to create a a prediction model for the MovieLens data set. RMSE of final model on validation set: 0.861448286670145.
Relevant files:
movie-lens-report.Rmd : Rmd file with report of our work, explaining each modeling decision.
movie-lens-report.pdf : PDF rendering of the above.
movie-lens.R : Stand alone R script that computes our model.