Teaching data science with puzzles

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Teaching data science with puzzles rstudio::conf 2019 Irene Steves i_steves isteves irene.rbind.io bit.ly/ds-puzzles

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Unique puzzle input Answer submission Puzzle text

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

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

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Bite-sized puzzles that focus on core data science skills as championed by the tidyverse set of packages march tidies of

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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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Photo: flickr clement127

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Wrangling Workflow

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march tidies of Workflow

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New R Project

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@JennyBryan

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Pre-populated file path here::here() for defining the path Knittable .R file Omit tidyverse messages from html output

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Auto-generated table of contents

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The neighborhood sandwich store makes the best sandwiches! They’ve got everything from classics like BLTs to more unusual options like Fluffernutters. Since many of their specialty ingredients keep going bad, they've decided to cut their selection and only focus on their best- selling sandwich. Photo: flickr skywhisperer

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To help with the decision, the storeowners have collected data on their customers’ favorite sandwiches. 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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In this sample, the Dagwood sandwich is the most popular.

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Photo: Wikipedia

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Beyond the Test cases Parseable and predictable file & folder names Projects & git Reproducible code*

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Thank you! Irene Steves i_steves isteves irene.rbind.io bit.ly/ds-puzzles