Statistics and Statistical Programming (Fall 2020)/w03 session plan

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9/29 Agenda[edit]

  • Reminders:
    • Research Project Plan + Dataset Identification (due next Friday 10/9)
    • If you're having trouble getting started, check out the many suggested resources in the Wiki
    • Feel free to use OH / Discord to chat with the teaching team about these
  • Managing R and RStudio
    • Lost in space: workspaces, environments, working directories, projects, notebooks, scripts, and consoles oh my!
    • Rmarkdown, code chunks, and knitting
  • Code, functions, concepts
    • Data import tips
    • Writing "clean" and "elegant" code
    • Vectorized functions (yes, these are confusing)
    • Selection/subsets/masks
  • Statistical Questions
    • When are mean/sd appropriate? How to know?
    • Interpreting summary stats of a transformed variable
  • Session feedback!

10/1 session plan[edit]

  • Checking in
    • Working groups
    • Solution sets
    • Research project and dataset ideas
  • Ch 3 exercises and questions
    • 3.28: Birthdays!
    • 3.34 The standard deviation of an expected value (what is it?)
    • 3.38 Comparing observed vs. expected proportions (rationale, basis, implications)
  • Preamble to next Tuesday:
    • Problem set involves more and more "real" work
    • Emotional contagion on Facebook paper