This document provides an introduction and overview for a course on data exploration using R. The course will begin with introductions to R programming and using R for basic data tasks like loading and inspecting datasets. Students will learn about common data types, random variables, and strategies for summarizing data. A major focus will be on data visualization using R's graphics libraries. Later topics will include cleaning messy data and creating maps. The course will be graded based on assignments, exams, and participation through discussions and an online forum.