The code runs fine for me, but I just get the html and javascript for the chart, and nothing actually shows up. It's in a tab outside of RStudio. So, I don't know what's up.
If reprex doesn't have access to your clipboard, you can still render it by saving your script and then giving it an outfile to write to.
The options and steps involved in making a reprex are really well described in the resources linked to in the posts I referenced above, and are aimed at beginners. It's just a matter of taking the time to go through them closely.
I believe the ones below are in the resources in Jesse's post (as I shared them with her as well, but:
A quick helpful overview of the package and how to use it in this video. (The most relevant material starts ~10:40).
You can also see the slides from that video here: