ETC1010 Tutorial 1

👋 Scan to see the material

🧑‍🏫 About Me

• 📸 I love taking pictures.
• 🎬 I enjoy watching movies.
• 🛍️ I also like shopping.
• 🐱 I LOVE cats.
• 🎵 And one lie: “I’m a professional music player.” 😉

🎲 Two Truths and a Lie

• Get into groups of 3 or 4.
• Take turns sharing 2 truths and 1 lie about yourself.
• Your group will try to guess which one is the lie.
• You’ll have 10 minutes to chat.

🧑‍🤝‍🧑 Now Let’s Get to Know You

• I’m going to open the student list with names and photos.
• Presence is not recorded, this is just to connect with each other.

🌐 Moodle and Course Info

• Go to: Moodle Link
• In Unit Information, you can find:
  • Unit details
  • My consultation hours:
    • 🕛 Thursdays 12:00 PM – 2:15 PM (hybrid)
    • 📍 Room 232, Building 6 (Clayton) or Zoom link

📝 Assessments

• You can earn 10% easily by mini quizzes:
  • Record a video
  • Peer grading
• Stay updated and use the forums to ask questions

💻 Installing R and RStudio

• Go to Learning Section > Week 1
• Click on Installing R and R Studio

🔗 Link to tutorial: learnr.numbat.space/chapter1

📊 Why R and RStudio?

• This semester we’ll analyze and visualize real-world data
• We use R, a powerful tool for data analysis
• And RStudio, a user-friendly interface to run R

Let’s get them installed together now!

💾 Installing R and RStudio

• Or go directly to: posit.co/download/rstudio-desktop
• Step 1: Install R
• Step 2: Then install RStudio

🔍 Which version to choose?

• If you’re using Mac:
  • If your chip is M1, M2, M3, or M4 → use the first link (arm64)
  • Otherwise → use the second link (Intel, x86_64)
• If you’re using Windows:
  • Click on the first one labeled ‘base’

⏳ You have 15 minutes to try installing both tools.

☁️ If You Can’t Install: Use RStudio Cloud

• Go to posit.cloud
• You can login with your Google account
• Click New Project → RStudio Project
• RStudio will open in your web browser, no installation needed!

🎨 Customising RStudio Appearance

• I personally love the dark theme!
• You can change the look of RStudio:
  • Go to Tools > Global Options > Appearance
  • Pick a theme you like
  • Click Apply

🪟 RStudio Panes Overview

1. Console (Bottom Left) → Run and test code
2. Script Editor (Top Left) → Write and save your code
3. Environment/History (Top Right) → See stored variables and past commands
4. Files/Plots/Packages/Help (Bottom Right) → View plots, install packages, get help

⌨️ Running Code in RStudio

• To run a line of code from the script:
  • Mac: Command + Enter
  • Windows: Ctrl + Enter

Let’s try writing some code together now!