STAT 184 — Homework 0: Setup Confirmation

Due Wednesday, May 20 at 11:59 PM on Canvas

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Welcome to STAT 184!

The goal of this assignment is to ensure your RStudio environment is configured correctly, your core packages are installed, and you know how to render (knit) a Quarto document.

Question 1: Setup

Uncomment and run the install.packages(tidyverse") line ONCE by deleting the # to install the “tidyverse” package on your machine. Make sure to remove any leading whitespace. Then re-comment by adding back the #. It is important to re-comment the line (otherwise, your file won’t render).

# install.packages("tidyverse") 
library(tidyverse)

Question 2: Global Options

In lecture, we discussed changing your RStudio Global Options under Tools > Global Options > General to the following:

  • Restore .RData into workspace at startup: Unchecked
  • Save workspace to .RData on exit: Never

Part (a): Why is it important to change these specific settings when working reproducibly in R?

[Write your answer here.]

Part (b): By typing your name below, you confirm that you have successfully changed these settings on the computer you will use for this course.

[Type your name here to confirm.]

Question 3: Package Check

To ensure that your R environment is working and the tidyverse package is loaded correctly in the setup chunk, run the code below to print out the first few rows of a built-in dataset called mpg.

# Replace the comment below with the following code: head(mpg)
# (DELETE this line and write your code here.)

Question 4: Rendering

Now that you have answered the questions, click the Render button at the top of your RStudio script window. It should generate a HTML or PDF file.

Submit that rendered file to Canvas.