What is Data Science? Data Science, put simply, is the combination of three subfields, which are used to organise unstructured data and make it useful for a multitude of purposes. These three subfields are: StatisticsAnalyticsMachine Learning ‘Data Science is the discipline of making data useful’. Cassie Kozyrkov But Statistics and Analytics are the same… Right? WRONG. It is a common misconception that Analytics and Statistics are two sides of the same coin. Even though they do both share a common aspect (data gathering) what they then DO with this data is vastly different.