"Data analysis is a process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making" (Wikipedia). "Data analytics (DA) is the process of examining data sets in order to draw conclusions about the information they contain, increasingly with the aid of specialized systems and software" (TechTarget). "These systems transform, organize, and model the data to draw conclusions and identify patterns" (Informatica). In a nutshell, "data analytics is the science of drawing insights from raw information sources" (Investopedia).
A definitive guide to data definitions and trends, from the team at Stitch.