Teaching data science with puzzles

useR! 2019 Toulouse

Transcript

1. Teaching data science
   with puzzles
   useR! 2019
   Irene Steves
   i_steves isteves bit.ly/ds-puzzles
   

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3. Unique puzzle input
   Answer submission
   Puzzle text
   

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4. I solved these
   with R, but boy
   was it clunky!
   

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5. Let’s make puzzles
   that highlight what
   R/the tidyverse are
   good at!
   

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6. Bite-sized puzzles that focus
   on core data science skills as
   championed by the tidyverse set
   of packages
   [still unreleased!]
   

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7. SOOTHSAYER. Beware the ides of March.
   CAESAR. What man is that?
   BRUTUS. A soothsayer bids you beware the ides of March.
   CAESAR. Set him before me; let me see his face.
   CASSIUS. Fellow, come from the throng; look upon Caesar.
   CAESAR. What say'st thou to me now? Speak once again.
   SOOTHSAYER. Beware the ides of March.
   CAESAR. He is a dreamer; let us leave him.
   The Death of Julius Caesar, Vincenzo Camuccini 1771-1844
   

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8. Photo: flickr clement127
   

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9. Wrangling
   

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10. Wrangling Workflow
    

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11. Web-based experience
    Language & platform agnostic
    

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12. R-mediated
    experience
    Workflow
    

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14. New R Project
    

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15. Auto-generated
    table of contents
    

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16. @JennyBryan
    

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17. Paths that work in the
    console & when rendered
    Knittable .R file
    Omit tidyverse
    messages from
    html output
    

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18. The neighborhood deli makes amazing
    sandwiches--from classics like BLTs to dessert
    sandwiches like Fluffernutters. Since many of
    their specialty ingredients keep going bad,
    they've decided to cut their selection and focus
    on their best-selling sandwich.
    Photo: flickr skywhisperer
    

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19. To help with the decision, the storeowners collected data on their customers’ favorites. Most
    people listed several varieties (in no particular order). Here’s a sample of the data:
    In this sample, the Dagwood sandwich is the most popular.
    In the full dataset, what is the most popular sandwich among the customers?
    

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20. test case
    In this sample, the Dagwood sandwich is the most popular.
    

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23. Photo: Wikipedia
    

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26. Beyond the
    Test cases
    Consistent and
    parseable names
    Projects
    & version
    control
    Self-contained
    code
    

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27. Thank you!
    bit.ly/ds-puzzles
    Irene Steves
    i_steves isteves
    

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