In this chapter, I define the business layer in detail, clarifying why, where, and what functional and nonfunctional requirements are presented in the data science solution. With the aid of examples, I will help you to engineer a practical business layer and advise you, as I explain the layer in detail and discuss methods to assist you in performing good data science.
The business layer is the transition point between the nontechnical business requirements and desires and the practical data science, where, I suspect, most readers of this book ...
