Pointer to the CC licence and, if there are any, any additional notes.
As with most things I put on the web, I am putting this under the Creative Commons Attribution-ShareAlike 4.0 International License. As their link generator has it:
Chris Evans’s R blog by Chris Evans is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at https://www.psyctc.org/Rblog/.
Permissions beyond the scope of this license may be available at https://www.psyctc.org/Rblog/Copyright_and_permissions.html.