Exploratory Data Analysis

Read before class on Tuesday, March 9, 2021

Readings

Questions to reflect on

  • Early Careers 2021 Student Survey contains data from the anonymous online survey of Early Career students. How would we describe the shape, centre, and spread of the following variables:

    • height, a respondent’s height in cm
    • exercise_hours, number of hours exercising last week
    • online_hours, number of hours spent online last week
    • handedness, an indicator from -1 (exclusively left handed) to 0 (ambidextrous) to +1 (exclusively right handed)
    • haircut_spend, amount of money spent on last haircut, expressed in USD$.

Session Files

  • Slides for today’s session are available on Canvas.
  • You can download all session files (data, code, etc.) by pulling from course Github repo. Alternatively, please install package usethis. Once you have it, you can download, unzip, and open everything within an RStudio project by typing the following in the RStudio console
install.packages("usethis")
usethis::use_course("https://github.com/kostis-christodoulou/bit2021/raw/master/session1-lecture1.zip")