Problem Definition

Let's say that you work for an e-commerce platform, through which your customers can purchase a variety of products. The merchandising department of your company comes up with a request to add a feature to the website – 'Addition of a slider that contains the 5 items that received the most positive reviews in a given calendar week'.

This request is first made to the web development department since, ultimately, they are the ones responsible for displaying the website contents. The web development department realizes that, to get a review rating, the data science team needs to be involved. The data science team receives the request from the web development team – 'We need a web service that takes a string of text as input and returns a score that indicates the degree to which the text represents a positive sentiment'.

The data science team then refines the requirements and agrees upon the definition of a Minimum Viable Product (MVP)...