I stand in awe of the R wizards who post their latest and greatest Shiny feats on R-Bloggers. It’s taken me a while to find my way around Shiny, but at last I feel ready to fill in a few gaps for others who may be just starting out ... [Read more...]

Introduction Extrapolation Introduction An excellent little post (Zoom, zoom googleVis) showed up recently on R-Bloggers. The author Markus Gesmann is the maintainer of the googleVis package that links R to the Google Charts API. My first thought was: could I embed charts like those in R Markdown documents that could ... [Read more...]

Introduction New Pandoc Installing LaTeX Packages Introduction R Markdown Version 2 is a boon to students: with a single click one can convert an R Markdown file to either HTML, PDF or Word format. However, getting this feature to work fully in the R Studio server environment may require a bit ... [Read more...]

Introduction Reason #3: RStudio’s shiny Examples “Slow” Simulation Understanding Model Assumptions Types of Error Illustrating Fine Points Playing Games Shiny vs. manipulate Instructional Apps Gallery? Introduction This is the third in a projected five-part series of posts aimed at colleagues who teach elementary statistics. If you teach with R but ... [Read more...]

Introduction Reason #2: RStudio’s manipulate Do It Yourself Next Time Introduction This is is second in a projected five-part series of posts aimed at colleagues who teach elementary statistics. If you teach with R but hesitate to spring such a powerful and complex tool on unsuspecting introductory students—many of ... [Read more...]

Introduction Reason #1: Package mosaic Keeping Simple Things Simple Flow-Control for the Masses There is Much More References Introduction This is is first in a projected five-part series of posts aimed at colleagues who teach elementary statistics. I can’t remember exactly how I first made acquaintance with R, but it’... [Read more...]

Eventually we get around to teaching our students to turn in Homework assignments as R Markdown documents, and towards the end of the semester many of them will do a data analysis project, complete with a report generated as an HTML file. But frankly the HTML output is a bit ... [Read more...]