September 2017
Beginner to intermediate
560 pages
25h 18m
English
book
R Data Analysis Cookbook, Second Edition - Second Edition
by Kuntal Ganguly, Davor Lozić, Mzabalazo Z. Ngwenya, Andrew Bauman, Shanthi Viswanathan, Viswa Viswanathan
Content preview from R Data Analysis Cookbook, Second Edition - Second Edition
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The recommenderlab package provides options for the recommendation algorithm and we can display the models applicable to the realRatingMatrix using recommenderRegistry$get_entries:
> recommender_models <- recommenderRegistry$get_entries(dataType = "realRatingMatrix") > names(recommender_models)
Visualizing Rating Matrix: Rating matrix can be visualized by building a heat map whose colors represent the ratings. Each row of the matrix corresponds to a user, each column to a movie, and each cell to its rating. Perform the following steps to build heatmap using image function of recommenderlab package:
- Build a heatmap of MovieLense ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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