Updates

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Introduction to Data Science, https://www.idsucla.org

This website was last updated on May 9, 2024.

Changes that have been made to version 6.0

All Units

  • Labs now also have text which direct students to complete tasks within the RStudio/Posit interface in blue font
  • GPS no longer reports precise location
  • There are anonymized datasets available for the Food Habits, Personality Colors, and Time Use (unformatted) Campaigns. They can be accessed by running the following code:
    extra_data('food_ids')
extra_data('color_ids')
extra_data('timeuse_ids')

Unit 1

  • Food Habits and Time Use campaign questions, in the campaign guidelines, have been modified for clarity
  • Lesson 1: LMR_1.1 changed "Facebook" to "TikTok"
  • Lesson 14: updated LMR_1.16 with new data/color palette
  • Lesson 17: updated plots and cleaned up formatting on LMR_118
  • Lab 1B has more clarification on options/arguments
  • Labs 1C and 1F now have embedded videos to help guide students
  • Lab 1D has more explanation about filtering and the assignment operator

Unit 2

  • Stress/Chill campaign questions have been modified for clarity (and picture question has been removed)

Unit 3

Unit 4

  • Section 1 is now Campaigns and Community where we set the stage for the End of Unit Project (also updated)
  • Section 2 has been rehauled to improve the flow for the lessons on linear regression
  • Section 2 also caps off with non-linear models with Lesson 13: Improving your Model (previously Lesson 14)
  • Section 3 is now Piecing it Together with only the two lessons on multivariable regression
  • The lessons in Section 4 have been slightly rearranged - part of Lesson 17 was moved to Lesson 16 for better building of concepts.
  • Lesson 18: the LMR was modified for clarity. We also added instructions for the k-means clustering app.
  • The End of Unit Project is student choice around a community issue
  • Unit 4 Assessments have been updated (access through the Documents tool on Portal) - link to lungs data and solutions.
  • Lab 4D lab solutions, MSE for 2nd variable changed to use y-variable, critics_rating, in residual calculation/code