Another significant challenge for Shiny app authors is finding and fixing performance bottlenecks. This is where good profiling tools are absolutely crucial. In this talk, we’ll talk about techniques to make your apps as responsive as possible, as well as demonstrate some new profiling tools we’ve been working on to help you quickly figure out where R is spending its time.
Winston Chang is a software engineer at Posit and currently works on Shiny and related projects. He has also worked on several other R packages, including devtools, R6, and ggplot2. Winston is the author of the R Graphics Cookbook, published by O'Reilly Media, and has a PhD in psychology from Northwestern University.