RHadoop is a collection of R packages that enables users to process and analyze big data with Hadoop. Before understanding how to set up RHadoop and put it in to practice, we have to know why we need to use machine learning to scale big-data.
In the previous chapters, we have mentioned how useful R is when performing data analysis and machine learning. In traditional statistical analysis, the focus is on performing analysis on historical samples (small data), which may ignore rarely occurring but valuable events and results to uncertain conclusions.
The emergence of cloud technology has made real-time interaction between customers and businesses much more frequent; therefore, the focus of machine learning has now shifted to the development of accurate predictions for various customers. For example, businesses can provide real-time personal recommendations or online...