[Read more...]

Debugging with Dean series: Instead of waiting for RStudio to fix a bug I found, I made a pull request to fix the issue, and recorded the entire process - The “Debugging with Dean” educational video series is in full force, and in... [Read more...]

Debugging with Dean series: Instead of waiting for RStudio to fix a bug I found, I made a pull request to fix the issue, and recorded the entire process - The “Debugging with Dean” educational video series is in full force, and in... [Read more...]

Debugging with Dean episode 2: Find out what mistake to avoid when using isolate() - I’ll keep it short: The first episode of Debugging with Dean was a success, so I decided to keep going. In this video, I set out to see if an iss... [Read more...]

Debugging with Dean episode 2: Find out what mistake to avoid when using isolate() - I’ll keep it short: The first episode of Debugging with Dean was a success, so I decided to keep going. In this video, I set out to see if an iss... [Read more...]

{shinyscreenshot} has finally been released, two entire years (sorry!) after I began working on it. It allows you to capture screenshots of entire pages or parts of pages in Shiny apps, and have the image downloaded as a PNG autom... [Read more...]

{shinyscreenshot} has finally been released, two entire years (sorry!) after I began working on it. It allows you to capture screenshots of entire pages or parts of pages in Shiny apps, and have the image downloaded as a PNG autom... [Read more...]

I wanted to solve a real bug in real-time, to show you my thought process. Here's how it turned out. - If you’re impatient and want to watch the video immediately, you can watch it directly on YouTube. Table of contents Background A typical Saturday morning To share or ... [Read more...]

I wanted to solve a real bug in real-time, to show you my thought process. Here's how it turned out. - If you’re impatient and want to watch the video immediately, you can watch it directly on YouTube. Just remember to subscribe so you won’t miss my next ... [Read more...]

This common error means the package you're looking for can't be installed from CRAN. This is how you solve it. - The R language is infamous among its users for often having unhelpful error messages. One of the error messages that ... [Read more...]

This common error means the package you're looking for can't be installed from CRAN. This is how you solve it. - The R language is infamous among its users for often having unhelpful error messages. One of the error messages that ... [Read more...]

Building new packages in R is a lot of fun for me, and if I could then I would spend all day just doing that. But after the initial relese comes the endless maintenance, which mostly involves adding new features requested by users... [Read more...]

Building new packages in R is a lot of fun for me, and if I could then I would spend all day just doing that. But after the initial relese comes the endless maintenance, which mostly involves adding new features requested by users... [Read more...]

The {shinycssloaders} package is a handy little tool that lets you easily add loading animations to a Shiny output (a plot, a table, etc.) while it’s recalculating. It’s extremely easy to use–all you need to do is wrap the outp... [Read more...]

The {shinycssloaders} package is a handy little tool that lets you easily add loading animations to a Shiny output (a plot, a table, etc.) while it’s recalculating. It’s extremely easy to use–all you need to do is wrap the output in ... [Read more...]

Have you ever noticed how an error in your Shiny app looks very different when it happens locally (in RStudio on your laptop) compared to when it happens in production (in shinyapps.io or Shiny Server or Connect)? Locally, when a ... [Read more...]

[Read more...]

[Read more...]

TL;DR: Use the Vectorize() function! If you’re reading this, you’ve either encountered this problem before, or you just got to this article out of curiousity (in which case you probably don’t know what problem I’m talking about). A few days ago I was given code ... [Read more...]

[Read more...]