Articles by Jeffrey Hollister

A great idea: R Markdown for Undergrads

March 1, 2014 | Jeffrey Hollister

A recently published paper by Baumer et al (2014) caught my eye today (HT to Bruce Caron).  I wanted to share it here because I thought it was cool and also had a few comments to make about some of the issues the authors raised. First, a bit about the paper.  ... [Read more...]

Rstudio and makefiles: Mind your options!

February 14, 2014 | Jeffrey Hollister

I have written this post mostly for myself. I don’t want to waste 2 hours on this problem again at some point in the future.  Hopefully others might stumble on it too and save some aggravation. So, the issue I had this morning was writing up a a makefile in ... [Read more...]

R Studio, and Presentations, and Git! Oh my!

November 7, 2013 | Jeffrey Hollister

I have been using R for many years now and it has served me quite well.  I have used it for all manners of data prep work, analysis, developing figures, and more recently GIS and creating reproducible reports with knitr.  During this time my typical workflow included creating new folders ... [Read more...]

An R function to download shapefiles

September 30, 2013 | Jeffrey Hollister

This post is a follow up from my latest Things I Forget post on reading in shapefiles.  That post assumed that you already had access to all the relevant files (e.g. .shp, .shx, .prj, .dbf, etc.).  A task that I routinely need to do is locate shapefiles on a ... [Read more...]

First post, and its a doozy!

September 7, 2013 | Jeffrey Hollister

Well, not really a doozy.  Just something nice and slow to get me going. So, seeing as I intend to post stuff about R along with the other things, I thought it best to understand how all those great R bloggers embed the highlighted R code into their WordPress blogs.  ... [Read more...]

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