If you want to follow along the presentation, the script where the purrr part is blanked out is here. And the full script with all the codes, and the answer to the exercise can be downloaded here.
Simona’s presentation can be found here: http://www.r-gators.com/pdf/wildlife-tracking-data.pdf The RData file and RMarkdown file (used to make the rest of this post) can be downloaded at the GitHub repository here https://github.com/ufrmeetup/picardi. If you’re unfamiliar GitHub, you can download a zipped file by pressing the green “Clone or download” button on the right of that page. From there just unzip the folder and click on the .Rproj file (requires RStudio to be installed).
link to R script