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  1. What is a vector in R?
  2. Create a simple vector in R with 5 pieces of data of your choice. Take a screenshot of your input.
  3. Create a simple report of the vector and have it displayed on the command line. Take a screenshot of your output.
  4. Is R case sensitive? Yes or No

Chapter 3 explains all of this in detail, so please follow the chapter for this assignment.

  1. What does it mean to “follow the data”?
  2. What is an Entity-Relationship model? What is an ER Diagram?
  3. Explain the strengths and weaknesses of using an entity relationship diagram versus a data flow diagram.

Please use Chapter 4 for the above questions 6-8

  1. What are rows and columns in a database?
  2. In R, what is a data frame and how is it used?

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