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Using R Markdown in Introductory Statistics Ben Baumer 1 1 Smith College Northampton, MA USCOTS 2013 Cary, NY May 17th, 2013 R Markdown Student Workflow in Intro Stats Computation is essential Ideal Tool: stat package of your choice R

Using R Markdown in Introductory Statistics Ben Baumer 1 1 Smith College Northampton, MA USCOTS 2013 Cary, NY May 17th, 2013
R Markdown Student Workflow in Intro Stats Computation is essential ◮ Ideal Tool: stat package of your choice ◮ R with mosaic Written analysis is imperative ◮ Ideal Tool: word processor of your choice ◮ Word? GoogleDocs? LibreOffice? L A T EX? How to combine the two? COPY - AND - PASTE! Baumer (Smith) R Markdown USCOTS 2013 2 / 6
R Markdown Student Workflow in Intro Stats Computation is essential ◮ Ideal Tool: stat package of your choice ◮ R with mosaic Written analysis is imperative ◮ Ideal Tool: word processor of your choice ◮ Word? GoogleDocs? LibreOffice? L A T EX? How to combine the two? COPY - AND - PASTE! Baumer (Smith) R Markdown USCOTS 2013 2 / 6
R Markdown Student Workflow in Intro Stats Computation is essential ◮ Ideal Tool: stat package of your choice ◮ R with mosaic Written analysis is imperative ◮ Ideal Tool: word processor of your choice ◮ Word? GoogleDocs? LibreOffice? L A T EX? How to combine the two? COPY - AND - PASTE! Baumer (Smith) R Markdown USCOTS 2013 2 / 6
R Markdown Student Workflow in Intro Stats Computation is essential ◮ Ideal Tool: stat package of your choice ◮ R with mosaic Written analysis is imperative ◮ Ideal Tool: word processor of your choice ◮ Word? GoogleDocs? LibreOffice? L A T EX? How to combine the two? COPY - AND - PASTE! Baumer (Smith) R Markdown USCOTS 2013 2 / 6
R Markdown Why is that bad? Not reproducible ◮ Difficult or impossible to follow ◮ Easy to forget how to retrace steps Not logical ◮ Separates analysis from computation ◮ Little or no connection between data and analysis Not necessarily honest ◮ Allows fudging ◮ Permits selective reporting Baumer (Smith) R Markdown USCOTS 2013 3 / 6
R Markdown Why is that bad? Not reproducible ◮ Difficult or impossible to follow ◮ Easy to forget how to retrace steps Not logical ◮ Separates analysis from computation ◮ Little or no connection between data and analysis Not necessarily honest ◮ Allows fudging ◮ Permits selective reporting Baumer (Smith) R Markdown USCOTS 2013 3 / 6
R Markdown Why is that bad? Not reproducible ◮ Difficult or impossible to follow ◮ Easy to forget how to retrace steps Not logical ◮ Separates analysis from computation ◮ Little or no connection between data and analysis Not necessarily honest ◮ Allows fudging ◮ Permits selective reporting Baumer (Smith) R Markdown USCOTS 2013 3 / 6
R Markdown R Markdown Simple, free, open source, easy-to-learn markup syntax Text & R code ⇒ HTML ◮ R commands alongside the output from that command ◮ Plots embedded into a single file Supports some L A T EX One file, one workflow Implementation: RStudio with knitr Baumer (Smith) R Markdown USCOTS 2013 4 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown At Smith Fall 2012 ◮ MTH 245: Intro Prob. & Stats (5 credits, 42 students) ◮ MTH 247: Regression (33 students) Spring 2013 ◮ MTH 241: Intro Prob. & Stats (4 credits, 3 × 25 students) Fall 2013 ◮ MTH 292: Data Science (4 credits, 22 students?) ◮ Python hooks? (almost) All homeworks and projects completed in Markdown Building institutional knowledge ◮ 100+ students on campus with Markdown experience ◮ 6 Stat TAs trained and experienced with R Markdown Collaborations poster exploring attitudes towards Markdown ◮ More on this at JSM Roundtable Baumer (Smith) R Markdown USCOTS 2013 5 / 6
R Markdown Examples Illustration ( http: //www.rstudio.com/ide/docs/authoring/using_markdown ) Lectures Notes ( http://www.math.smith.edu/~bbaumer/mth247/ labs/logistic.html ) Homework Solutions ( http://www.math.smith.edu/~bbaumer/ uscots/hw4_solutions.html ) Student Project ( http://www.math.smith.edu/~bbaumer/ uscots/group-d-submit.html ) RPubs ( http://rpubs.com ) Baumer (Smith) R Markdown USCOTS 2013 6 / 6

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