Articles by Educate-R - R

simglm submission to CRAN this week

May 22, 2017 | Educate-R - R

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 last few documentation finishing touches are happening now working toward a ve... [Read more...]

Make Power Fun (Again?)

February 24, 2017 | Educate-R - R

Make Power Fun (Again?) Brandon LeBeau University of Iowa Overview (G)LMMs Power simglm package Shiny Demo - Broken! Linear Mixed Model (LMM) Power Power is the ability to statistically detect a true effect (i.e. non-ze... [Read more...]

Use CSS to format markdown or HTML files

January 3, 2017 | Educate-R - R

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 packages to output formats such as HTML, latex, or even word. The main drawback o... [Read more...]

Introduction of the pdfsearch package

December 2, 2016 | Educate-R - R

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 the ropensci project to read in pdf files and perform keyword searches based ch... [Read more...]

Remove leading 0 with ggplot2.

March 22, 2015 | Educate-R - R

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. This was primarily due to some space concerns I had for the x-axis labels. Unfor... [Read more...]

Dodged bar charts, why not a line graph?

August 4, 2014 | Educate-R - R

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 dodged bar chart summarizing the number of all star players by team (focusing spec... [Read more...]

Format Markdown Documents in R

July 29, 2014 | Educate-R - R

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 is yes to both of those questions, this package may be of interest to you. ... [Read more...]

R gui Revisited

May 27, 2014 | Educate-R - R

A couple months ago I wrote about switching my class from using SPSS to one that uses R with a gui frontend (original post). Since the semester has wrapped up, below are my thoughts on how the course went with respect to the students using R. Things ... [Read more...]

AERA Preview

April 2, 2014 | Educate-R - R

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 presenting a meta analysis that I have been working on for the past two years or so titled: Model misspecification and assumption violations with ... [Read more...]

Evolution of Code

March 27, 2014 | Educate-R - R

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 trained programmer, just a self taught junky who enjoys doing it when I have time. ... [Read more...]

Update to highlightHTML package

March 14, 2014 | Educate-R - R

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 example highlight cells of a HTML table). This is most useful when writing a document using markdown and converting it into a HTML document ... [Read more...]

rCharts with slidy

March 3, 2014 | Educate-R - R

My last post I talked about using rCharts to create interactive graphics for my interview presentations. They seemed to go over pretty well in my interviews and helped me greatly as I did not need to remember or write down specific numbers to talk about. I use slidy to create ... [Read more...]
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