This document provides an introduction to marketing analytics. It defines marketing analytics as using models, metrics, and measurements to provide actionable insights from marketing data. Models are described as simplified representations of reality that aid decision-making, such as regression models. Metrics are defined as key performance indicators that monitor important business variables, like sales revenue. The document discusses different types of models, including descriptive, predictive, and normative models. It also outlines different variable types in models, such as independent and dependent variables. The goal of the introduction is to define important terminology and concepts in marketing analytics.