lecture16 prologue

2024-03-19

Announcements

• Final project timeline and grading announcement

• Assignment5 and 6 will be ~in-class worksheets

  • Format: I will give the worksheet 3+ days in advance (+ solutions)

  • Try to work on the questions before class

  • We will quickly walk-through the code in class (hands-on work if time permits)

  • Review the lecture video after class + finish working and add documentation to demonstrate understanding

  • Submit the worksheet for grading

Timeline for the next month

Today’s class

With great power comes great responsibility! - Voltaire

Hence today we will learn how to wield ggplot responsibly for best visual communication

We will have a guest lecture by Swetha Sridhar, (Grad student in SSPB, meticulous data grapher)

Which graph is better? To find precise co-ordinates

Different objective: To emphasize trend

Identify which line is which category

Anonymous Porcupine on the discussion board

Identify the categorical variable here?

Hint: Categorical variables are what you would make as_factor(). They have discrete ordered or un-ordered levels. Can be letters/numbers etc. that are not a continuous variable

Onto the lecture now