COM 411

Today’s Dad Joke

  • My girlfriend left me because I’m insecure.
  • Nevermind, she’s back. She just went to the bathroom.

Learning R

Housekeeping

  • Feedback on Brightspace
  • Self-assessment reflections

Homework

  • What are you still struggling with?
  • Example problems
    • Creating matrices
    • Selecting matrix elements

Using Rstudio

  • R files
  • R notebooks

Homework

  • Finish chapters 4 and 5

Networks in R

Today’s Dad Joke

Everyone has the 4th of July off except fire.

Fireworks on the 4th of July.

Housekeeping

  • Guest lecture next Thursday
  • Exam on February 20

Family Networks Hall of Fame

Family Networks Hall of Fame

Homework Questions

  • Factors vs. Booleans vs. Strings
  • Choosing elements in a data frame
    • with indexing
    • with the ‘$’ notation
    • with subset
    • combining subset and indexing

Today

  • Networks in R
  • Network Analysis in R - chapter 1
  • Visualization exercise
    • Use R to visualize your family network
    • I’ll feature my favorites