8.5 Today & repetition

• Some questions…
  • “Fitness tracking app Strava gives away location of secret US army bases” (Hern 2018)
    • Did anyone see that coming?!?
  • What where the 3 Vs?
  • Measurement & Data: What is a variable? What is a distribution? What is a cell?
  • Data: What is a joint distribution? How many cells are there in a distribution with 3 dichotomous variables?
  • Models: What is a model? What’s an example for a simple model?
• Today
  • Any questions about R?
  • Start with exercise on previous slide.
  • Quickly talk through 5.2-5.9 and possibly 7.4.

References

Hern, Alex. 2018. “Fitness Tracking App Strava Gives Away Location of Secret US Army Bases.” The Guardian, January.