Articles by Eric

The R-Podcast Episode 15: Introduction to Shiny

December 31, 2015 | Eric

Just in time for the new year is a new episode of the R-Podcast! I give a brief introduction to the Shiny package for creating web applications using R code, provide some of my tips and tricks I have learned (sometimes the hard way) when creating appl... [Read more...]

The R-Podcast Episode 14: Tips and Tricks for using R-Markdown

November 18, 2015 | Eric

The R-Podcast is back up and running! In this episode I discuss some useful resources and helpful tips/extensions that have greatly enhanced my work flow in creating reproducible analysis documents via R-Markdown. I also highlight some exciting new endeavors in the R community as well as provide my take ... [Read more...]

The R-Podcast Episode 13: Interview with Yihui Xie

May 23, 2013 | Eric

It’s an episode of firsts on the R-Podcast! In this episode recorded on location I had the honor and privilege of interviewing Yihui Xie, author of many innovative packages such as knitr and animation. Some of the topics we discussed include: Yihui’s motivation for creating knitr and some ... [Read more...]

Test from knitr to wordpress

April 4, 2013 | Eric

Title This is an R Markdown document. Markdown is a simple formatting syntax for authoring web pages (click the MD toolbar button for help on Markdown). When you click the Knit HTML button a web page will be generated that includes both content as well as the output of any ...
[Read more...]

The R-Podcast Episode 10: Adventures in Data Munging Part 2

September 16, 2012 | Eric

I’m happy to present episode 10 of the R-Podcast! Season 1 of the R-Podcast concludes with part 2 of my series on data munging, in which I discuss issues surrounding importing data sets contained in HTML tables. I share how I used the XML and RCurl packages to validate and import data ... [Read more...]

The R-Podcast Episode 9: Adventures in Data Munging Part 1

August 5, 2012 | Eric

It’s great to be back with a new episode after an eventful break! This episode begins a series on my adventures in data munging, a.k.a data processing. I discuss three issues that demonstrate the flexibility and versatility R brings for recoding messy values, important inconsistent data files, ... [Read more...]

The R-Podcast Screencast 2: Visualization with ggplot2

June 23, 2012 | Eric

Here is the second screencast episode of the R-Podcast to accompany episode 8 of the R-Podcast: Visualization with ggplot2. In this screencast I demonstrate a real-time session of using ggplot2 to create boxplots for a visualization of hockey attendance in the NHL. The R code created in this screencast is available ... [Read more...]

The R-Podcast Episode 8: Visualization with ggplot2

June 20, 2012 | Eric

I’m happy to present this jam-packed episode of the R-Podcast dedicated to using the ggplot2 package for visualization. This episode will have a companion screencast released in the next few days. I use data from the Hockey Summary Project to demonstrate how to create a series of boxplots of ... [Read more...]

The R-Podcast Episode 7: Best Practices for Workflow Management

May 28, 2012 | Eric

Hello everybody, I am finally back with a new episode! In this episode: Hardware issues, major update to RStudio, new forums, and discussion on managing your workflow for projects. I discuss useful functions for executing R scripts and saving/loading R objects for future sessions, and summarize different solutions for ... [Read more...]

The R-Podcast Episode 6: Importing Data from External Sources

April 29, 2012 | Eric

In this episode: Listener feedback and importing data from external sources into R. We dive into the basics of importing delimited text files using read.table and its varients. We also discuss recommendations for importing MS Excel spreadsheet files, relational databases such as MySQL, data from HTML tables, and files ... [Read more...]

The R-Podcast Episode 5: Basic Package Management

April 15, 2012 | Eric

After a brief delay here’s episode 5 of the R-Podcast. In this episode: R 2.15.0 released, listener feedback, and discussion on basic package management. I discuss helpful resources for finding packages, installation procedures, and how to determine what packages are installed in your R system, among other considerations. If you are ... [Read more...]

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