Services
Building or improving Shiny apps of any complexity Offering expert advice, training, and workshops in Shiny/R Code review and optimization of Shiny apps and workflows Building professional quality R packages
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About Dean

Author of popular packages shinyjs (featured by RStudio), timevis, addinslist & more

Creator of “Shiny Case Studies” course — an interactive, online video course

Invited main speaker at Shiny Developer Conference hosted by RStudio - 30 min talk

Second highest all-time answerer in the “shiny” tag on StackOverflow

Previously a software engineer at Google and top San Francisco startup Wish.com

Clients
Clients range from startups to universities to government agencies and large businesses
Sample of Open Sourced Shiny Apps
CRANalerts
Get email alerts when a CRAN package gets updated.
timevis
'timevis' is an R package I built that lets you create interactive timeline visualizations in R.
Mimicking a Google Form with a Shiny app
Demonstration of how to create forms and save/load submissions with shiny (supplement to a blog post).
Lights Out game
Lights Out is a fun brain-teasing puzzle game. I wrote an R implementation of the game in the package 'lightsout' and here you can play the game using R.
Cancer data
Interactively explore data about cancer incidences/deaths in the US.
Impact Replays
An app I wrote that won third place nationally at a CFL (Canadian Football) hackathon. Relive the exciting moments of any CFL game.
Persistent data storage with Shiny
Demonstration of how to store and retrieve data in Shiny apps (supplement to a blog post).
Digital droplet PCR analysis
Analyze and visualize droplet digital PCR data (part of my 'ddpcr' package). Developed for my masters thesis.
useR! 2017 Attendance
Interactively explore the attendees' schedules from the useR! 2017 Conference.
Analyzing R-Bloggers' posts using Twitter
Explore the success of all R-Bloggers' posts using Twitter (supplement to a blog post).
'shinyalert' demo
'shinyalert' is an R package I built for easily creating pretty popup messages (modals) in Shiny.
{shinyscreenshot} demo
Capture screenshots of entire pages or parts of pages in Shiny apps.
colourInput
Demo of using the colourInput input control in Shiny apps to allow users to select colours.
shinydisconnect
'shinydisconnect' is an R package that allows you to show nice messages to the user when a Shiny app disconnects or errors.
'shinycssloaders' demo
'shinycssloaders' is an R package for adding loading animations to a Shiny output while it's recalculating.
'shinyjs' demo
'shinyjs' is an R package I built that makes it easy to perform common JavaScript operations in Shiny apps. This demo allows you to experiment with different 'shinyjs' functions.
Visualizing when I'm most productive during the day
Analyzing my (and others') git activity to see our work, or coding, patterns.
Adding marginal histograms to ggplot2
Demo of how my package 'ggExtra' can be used to add marginal plots to ggplot2.
Bingo card generator
The name says it all - a simple app that lets you generate bingo cards.
BC Liquor Store prices
Simple app that is built as part of a Shiny tutorial I've written. The app lets you find what to get from the liquor store based on filters you choose.
Dean's Credentials

MSc in Bioinformatics (UBC) • Bachelor of Computer Science (University of Waterloo)

Taught the ‘Intermediate Shiny’ 2-day workshop at RStudio Conference

Interviewed for Episode 16 and Episode 19 of The R-Podcast

Wrote an article for RStudio that is hosted on Shiny’s official webpage

Several apps featured on RStudio’s official Shiny User Showcase

Often in the top 5 Trending R Developers on GitHub

Official book reviewer of the book “Learning Shiny” (not an endorsement)

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