I maintain, have authored, and contributed to multiple open source software projects, primarily in R, but also Python, Emacs, LaTeX, and Atom.
ggthemes. Extra Themes, Scales and Geoms for ‘ggplot2’
pollstR Client for the HuffPost Pollster API, which provides access to U.S. polls on elections and political opinion
margins. Contributed the code for numeric differentiation.
tokenizers. Contributed an implementation of the Penn Treebank parser in R.
Coined the term quosure.
stan (C++): Contributed the
gaussian_dlm_obs_logfunction, which implements time-invariant dynamic linear models. Contributed to documentation.
Wrote language-stan. Adds syntax highlighting and snippets for Stan files in Atom.
Wrote stan-mode, an Emacs major mode for Stan.
Wrote yasnippets-stan, and Emacs packages with with yasnippet snippets for Stan.
Contributed Stan and BUGS/JAGS language support and updated R language for Pygments.
Wrote beamercolorthemesolarize, a LaTeX Beamer color theme.