-
Recent Posts
- ggplot2: How Geoms & Aesthetics ≈ Whipped Cream
- Math Notation for R Plot Titles: expression, bquote, & Greek Letters
- Using R to Reason & Test Theory: A Case Study from the Field of Reading Education
- Minimal, Explicit, Python Style Package Loading for R
- Easily Make Multi-tabbed .xlsx Files with openxlsx
Archives
- March 2018
- February 2018
- December 2016
- May 2016
- March 2016
- May 2015
- April 2015
- February 2015
- December 2014
- November 2014
- October 2014
- September 2014
- August 2014
- June 2014
- May 2014
- April 2014
- March 2014
- February 2014
- December 2013
- November 2013
- September 2013
- August 2013
- July 2013
- May 2013
- March 2013
- February 2013
- December 2012
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
Categories
- analysis
- animation
- annotate
- benchmark
- data
- data generation
- discourse analysis
- factor
- games
- ggplot2
- grapheme
- igraph
- knitr
- letter
- package creation
- parallel
- paste
- plot
- qdap
- r
- random
- regular expression
- reports
- reshape
- slidify
- text
- tidytext
- tidyverse
- trinker
- tylerrinker
- Uncategorized
- visualization
- wakefield
- word cloud
- work flow
Monthly Archives: April 2012
The Need for paste2 (part II)
This is Part II of a multi part blog on the paste2 function… In my first post on the paste2 function I promised a proof of a few practical uses. The first example I have comes from psychometrics and comes out of … Continue reading
Posted in paste
Tagged ability scores, factor scores, IRT, item response theory, ltm, paste, R
Leave a comment
The Need for paste2 (part I)
This is Part I of a multi part blog on the paste2 function… I recently generated a new paste function that takes an unspecified list of equal length variables (a column) or multiple columns of a data frame and pastes … Continue reading
microbenchmarking with R
I love to benchmark. Maybe I’m a bit weird but I love to bench everything in R. Recently I’ve had people raise accuracy challenges to the typical system.time and rbenchmark package approaches to benchmarking. I saw Hadley Wickham promoting the … Continue reading