## Instructions

Read the following chapters in R for Data Science before class on October 18:

• In Chapter 13, sections 13.1–13.4
• All of Chapter 20

The sections in Chapter 13 provide an introduction to the concept of relational data and how to combine tables using joins. Chapter 20 discusses the vector data type and how it relates to programming in R.

Read through the questions asked by other students in this thread. Answer one of the questions using full sentences before the end of the day on October 25. When answering the question, tag the student that asked the question by typing @username, replacing the word “username” with their actual Github account name. In addition, tag me @jkglasbrenner and the CDS-101 grader @shuaibm at the top or bottom of your response.