Machine Learning at Scale with H2O

Chapter 8: Putting It All Together

In this chapter, we will revisit the Lending Club Loan Application data that we first introduced in Chapter 3, Fundamental Workflow – Data to Deployable Model. This time, we begin the way most data science projects do, that is, with a raw data file and a general objective or question. Along the way, we will refine both the data and the problem statements so that they are relevant to the business and can be answered by the available data. Data scientists rarely begin with modeling-ready data; therefore, the treatment in this chapter more accurately reflects the job of a data scientist in the enterprise. We will then model the data and evaluate various candidate models, updating them as required, until we arrive ...