This post reviews some aspects of generating formatted tables using R suitable for inclusion in a manuscript conforming to APA style. I review my current workflow that involves a large amount of manual formatting in Excel. I then discuss what it would take to automate more of these manual steps ... [Read more...]

RStudio has improved the power of auto-completion in R and generally increased usability. However, there remains the potential to improve discoverability and usability. There are also coding practices that R package authors can adopt both to work better with auto-complete and make the features of their R package more discoverable.  ... [Read more...]

This post talks about my workflow for getting started with a new data analysis project using the ProjectTemplate package. Overview of ProjectTemplate ProjectTemplate is an R Package which facilitates data analysis, encourages good data analysis habit... [Read more...]

[This article was first published on Jeromy Anglim's Blog: Psychology and Statistics, and kindly contributed to R-bloggers]. (You can report issue about the content on this [Read more...]

I was recently completing some professional development activities that required me to write a report on a self-chosen topic related to diversity in student backgrounds. I chose to use the opportunity to reflect on the potential for using R to teach psychology students research methods. I thought I'd share the ... [Read more...]

This post presents the video of a talk that I presented in July 2012 at Melbourne R Users on using knitr, R Markdown, and R Studio to perform reproducible analysis. I also provide links to a github repository where the R markdown examples can be examin... [Read more...]

The following post documents the steps I needed to take in order to convert a project using Sweave LaTeX into one using knitr LaTeX. Additional Resources It is fairly straightforward to convert a document from Sweave LaTeX to knitr LaTeX. Yihui Xie on... [Read more...]

The following post shows how to manually convert a Sweave LaTeX document into a knitr R Markdown document. The post (1) reviews many of the required changes; (2) provides an example of a document converted to R Markdown format based on an analysis of Winter Olympic Medal data up to and including 2006; ... [Read more...]

This is a quick set of analyses of the California Test Score dataset. The post was produced using R Markdown in RStudio 0.96. The main purpose of this post is to provide a case study of using R Markdown to prepare a quick reproducible report. It provides examples of using plots, ... [Read more...]

This post examines the features of R Markdown using knitr in Rstudio 0.96. This combination of tools provides an exciting improvement in usability for reproducible analysis. Specifically, this post (1) discusses getting started with R Markdown and knitr in Rstudio 0.96; (2) provides a basic example of producing console output and plots using R ... [Read more...]

This post shows how to produce a plot involving three categorical variables and one continuous variable using ggplot2 in R. The following code is also available as a gist on github. 1. Create Data First, let's load ggplot2 and create some data to work... [Read more...]

This post provides links to various resources on getting started with Bayesian modelling using JAGS and R. It discusses: (1) what is JAGS; (2) why you might want to perform Bayesian modelling using JAGS; (3) how to install JAGS; (4) where to find furth... [Read more...]

This post provides links to a range of resources related to the use and interpretation of correlations. I wanted to provide a page with links to a number of additional resources that would be useful both for those of my students who might be keen to le... [Read more...]

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As previously mentionedI gave a talk at Melbourne R Users Group titled "Reproducible Research and R Workflow". It covered technologies including LaTeX, Sweave, R, make, Eclipse, and git. This post shares the video. I'd like to thank Pedro Olaya for ... [Read more...]

I gave a presentation at Melbourne R Userson the topic of R Workflow. The presentation covered R code organisation, and useful R related tools including Eclipse, StatET, Git, make, Sweave and LaTeX. Also, the slides from the presentation provide link... [Read more...]

This post provides an example of using Sweave to perform an item analysis of a multiple choice test. It is designed as a tutorial for learning more about using Sweave in a mode where console input and output is displayed. Copies of all source code a... [Read more...]