Day 0
Objectives
Upon completion of this session, you will be able to do the following:
- Successfully install R and RStudio.
- Install your first R packages.
Instructions
Install the latest version of R (4.4.2 (called ‘Pile of Leaves’) as of 2024-10-31)
Download For Mac users (M1 chip) - (may need to copy-paste the link to the browser)
Download For Mac users (Intel chip) - (may need to copy-paste the link to the browser)
Download For Windows users - (may need to copy-paste the link to the browser)
For other operating systems, or if you prefer to access the download link from the official website, visit https://cran.r-project.org/ and select Download R for Linux, Download R for macOS or Download R for Windows based on which device you have.
Install the latest version of RStudio (Desktop):
Download For Mac users - (may need to copy-paste the link to the browser)
Download For Windows users - (may need to copy-paste the link to the browser)
A more detailed walk-through of the steps above is provided in R and RStudio installation. However, you should use the most recent versions of R and RStudio.
You can also visit the RStudio website, https://posit.co/download/rstudio-desktop/.
If you are using a computer issued from Hopkins, you may need to work with the IT department in advance to do these installations.
Installing jhur (optional)
The instructor team has created a collection of code, called a “package”, that will help get data into your programming environment quickly. Copy and paste the following into the console and hit “return” to run the code.
install.packages("remotes")
Next, run the following:
remotes::install_github("jhudsl/jhur")If you get the following message, Enter one or more numbers, or an empty line to skip updates:, you can hit return to enter an empty line (no updates).
You should see some messages in the console, ending with * DONE (jhur) if the process completed successfully.
Homework 1
(Due Tuesday January 21st at 11:59pm ET - but we strongly suggest you complete it before the course starts):
Complete Homework 1
Upload a screenshot of the final question to the Drop Box link below.
Homework
📝 HOMEWORK 1: Questions (HTML)
Drop Boxes
Note: only people taking the course for credit must turn in the assignments. However, we will evaluate all submitted assignments in case others would like feedback on their work.