![](images/hex/logitr.png)
logitr
R package for fast estimation of multinomial and mixed logit models with preference space and willingness to pay space utility parameterizations.
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cbcTools
R package with tools for designing choice based conjoint (cbc) survey experiments and conducting power analyses.
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Wireless Corne
Build log and gallery of how I built my wireless Corne keyboard.
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The Distillery
Distill website showcasing other distill websites and blogs.
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oica
R data package with tidy formatted data on vehicle production and sales from the International Organization of Motor Vehicle Manufacturers.
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renderthis
R package for rendering slides and other media into different formats, including html, pdf, png, gif, pptx, and mp4.
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charts
Bunch of reproducible charts. All data and source code are available at https://github.com/jhelvy/charts
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GW Coders
Study group that brings together students and faculty to apply computational and data analytics skills in research.
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splitKbCompare
Interactive R Shiny app for comparing layouts of different split mechanical keyboards. Built for the ergonomic keyboard community r/ErgoMechKeyboards.
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λέξις (lexis)
Theme for xaringan slides with a light gray background, "Fira Sans Condensed" for headers, “Roboto” for body text.
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Programming for Analytics in R
Open source text book on the fundamentals of programming and working with data in R.
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formr4conjoint
Template for how to create a choice-based conjoint survey using the formr survey platform.
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Iris Rev 2
Build log and gallery of how I built my Iris Rev 2 keyboard.