Educate-R

 

Announcing simglm 1.0.0

R
simglm
package
power analysis

A major simglm release accompanying the simglm book, with expanded simulation, power-analysis, and propensity-score workflows.

Sep 1, 2026
Brandon LeBeau

Simulating Nonlinear Relationships with Splines in simglm

R
simglm
package

A walkthrough of how to simulate, model, and evaluate nonlinear effects using natural cubic splines and B-splines in simglm.

Apr 30, 2026
Brandon LeBeau
 

pdfsearch: Updated to v0.5.0

R
pdfsearch
package
For the past few years, I’ve had on my list to work on improving my pdfsearch package to make splitting of multi-column PDF documents more robust. I’ve accomplished some…
Feb 12, 2026
Brandon LeBeau

World Bank Statistical Performance Indicators (TidyTuesday!)

Python
Tidy Tuesday
Visualization
This week Tidy Tuesday data are about Statistical Performance Indicators from the World Bank. The Statistical Performance Indicators evaluate how effectively countries…
Nov 24, 2025
Brandon LeBeau

simglm v0.9.26: Multi-level Propensity Score Modeling

R
simglm
modeling
propensity scores
This update marks the final propensity score enhancement for the simglm package (v0.9.26). It introduces multi-level propensity score modeling, enabling users to simulate…
Nov 6, 2025
Brandon LeBeau

Visualizing highest degree by degree field (TidyTuesday!)

Python
Tidy Tuesday
Visualization
This week Tidy Tuesday data are about British Literary Prizes from 1990 to 2022. When looking at the data attributes, I was curious about the degrees that the award winners…
Oct 28, 2025
Brandon LeBeau

Visualizing Air Frost Days in the UK (TidyTuesday!)

R
Tidy Tuesday
Visualization
Here is my second Tidy Tuesday attempt! I’ve always enjoyed working with weather data—it’s intuitive, relatable, and something I’ve even used in my introductory statistics…
Oct 21, 2025
Brandon LeBeau

Visualizing EuroLeague Basketball Travel Distances with R (My First TidyTuesday!)

R
Tidy Tuesday
Visualization
I’ve always wanted to do TidyTuesday, but never made time to spend on it. I liked to recommend the data to students as a way to explore data or practice creating effective…
Oct 7, 2025
Brandon LeBeau

simglm v0.9.23: Propensity Score Modeling

R
simglm
modeling
propensity scores
Building on last week’s post about propensity score simulation, the simglm package has been extended to now allow for the estimation of power in addition to the propensity…
Oct 6, 2025
Brandon LeBeau

simglm v0.9.22: Propensity Score Simulation

R
simglm
simulation
propensity scores
I haven’t written about my simglm package in a while. Behind the scenes, numerous changes have been made to enhance the package. The current CRAN version is significantly…
Sep 24, 2025
Brandon LeBeau

simglm v0.7.4: Tidy Simulation

R
Simglm
Simulation
Tidy
I’m happy to formally announce a major update to the simglm R package. In brief, the updated package contains a new more robust syntax for simulating data, adds parallel…
Jun 11, 2019
Brandon LeBeau
 

pdfsearch v0.3.0

R
Pdfsearch
Pdf
I’m happy to formally announce a major update to the developmental version of the pdfsearch R package. In brief, this version includes support for splitting the PDF by…
Aug 22, 2018
Brandon LeBeau

Hierarchical Cluster Analysis of Coach ELO Ratings

R
College Football
Cluster Analysis
For the past few years (quickly approaching a decade), a colleague and I started scraping information about college football coaches to explore the question, which coach…
Dec 4, 2017
Brandon LeBeau
 

Announcing simglm version 0.6.0: Power and Simulation of Generalized Linear Mixed Models

R
Simglm
Package
The simglm package has an update on CRAN bumping the version up to 0.6.0. This update has added the ability to simulate count data (poisson) and also has fixed (I think) the…
Jul 24, 2017
Brandon LeBeau
 

simglm submission to CRAN this week

R
Simglm
Package
This is a quick note looking for any further feedback on the simglm package prior to CRAN submission later this week. The goal is to submit Thursday or Friday this week. The…
May 23, 2017
Brandon LeBeau

Use CSS to format markdown or HTML files

R
Package
Highlighthtml
Markdown
Html
Markdown (and Rmarkdown) are great ways to quickly develop material without worrying about the formatting. The documents can then be compiled using the knitr or rmarkdown pac…
Jan 3, 2017
Brandon LeBeau
 

Introduction of the pdfsearch package

R
Pdfsearch
Package
I’m happy to introduce an add-on package, pdfsearch, that adds the ability to do keyword searches on pdf files. This add-on package uses the excellent pdftools package from…
Dec 2, 2016
Brandon LeBeau
 

Speed test of sequence generation for unbalanced simulation

R
Sequence
Speedtest
I have a simulation package that allows for the simulation of regression models including nested data structures. You can see the package on github here: simReg. Over the…
May 31, 2015
Brandon LeBeau

Remove leading 0 with ggplot2

R
Graphics
Ggplot2
I recently had an occasion while working on a three variable interaction plot for a paper where I wanted to remove the leading 0’s in the x-axis text labels using ggplot2.…
Mar 23, 2015
Brandon LeBeau

Dodged bar charts, why not a line graph?

R
Graphics
Ggplot2
Trend
I often see graphs that are poorly implemented in that they do not achieve their goal. One such type of graph that I see are dodged bar charts. Here is an example of a…
Aug 5, 2014
Brandon LeBeau
 

Format Markdown Documents in R

R
Highlighthtml
Package
Css
Markdown
Html
Have you ever used a markdown file to create an html file? Have you ever wanted to quickly format the subsequent html file to add some color or other aspects? If your answer…
Jul 30, 2014
Brandon LeBeau
 

AERA Preview

R
Rcharts
Javascript
Aera
The American Educational Research Association (AERA) annual conference is this weekend in Philadelphia. I was lucky to have a paper accepted into the conference. I am…
Apr 2, 2014
Brandon LeBeau
 

Evolution of Code

R
Code
Xml
Recently while scraping some data from the college football data warehouse site, I started to realize the evolution of my code. To preface this, I am definitely not a…
Mar 27, 2014
Brandon LeBeau
 

Update to highlightHTML package

R
Highlighthtml
Markdown
Html
I’ve added a new functionality to my highlightHTML package. This package post-processes HTML files and injects CSS and adds tags to create some further customization (for…
Mar 14, 2014
Brandon LeBeau
 

rCharts in slidy

R
Rcharts
Javascript
Html
Slidy
My last post I talked about using rCharts to create interactive graphics for my presentation. They seemed to go over pretty well in my interviews and helped me greatly as I…
Mar 3, 2014
Brandon LeBeau
 

Picking a gui interface for R

R
Gui
Recently I decided to switch statistical programs used for the master’s level introductory statistics course I teach here at the University of Arkansas. Historically this…
Feb 2, 2014
Brandon LeBeau
 

When I use plyr/dplyr

R
Plyr
Dplyr
My last post I talked about how I use the data.table package for aggregating and removing duplicate observations. Although I use the data.table package quite often, there…
Jan 24, 2014
Brandon LeBeau
 

Two of my favorite data.table features

R
Data.table
When I started to use the data.table package I was primarily using it to aggregate. I had read about data.table and its blazing speed compared to the other options from base…
Jan 6, 2014
Brandon LeBeau

Guessing Correlations: A shiny app

R
Shiny
Teaching
A recent hobby of mine (as with many other R users) is to play around with the relatively new R package: shiny. I started creating demo applications about a year ago just to…
Dec 30, 2013
Brandon LeBeau
 

SPSStoR An R package to convert SPSS syntax

R
Spss
Package
My first statistical software package I used as an undergrad was SPSS. I was fortunate during my senior year at Luther College to be initially introduced to R. I did not…
Nov 26, 2013
Brandon LeBeau
 

Formatting Markdown Table with R

R
Markdown
Latex
Slidy
This past August I took an opportunity to step back into the University academic world as a Visiting Assistant Professor at the University of Arkansas. I have enjoyed the…
Nov 18, 2013
Brandon LeBeau
 

Formatting Markdown Table with R

R
Markdown
Css
This past summer when the twin cities R user group was starting to get back up and running, I offered to present on some R related things that I was working on. One thing I…
Nov 1, 2013
Brandon LeBeau

Blog Logo

R
ggplot2
Here is the code used to create the blog logo. Took a bit of trial and error, especially with the official R logo.
May 3, 2013
Brandon LeBeau
No matching items