Screenshot of Emacs buffer. Contents: #+NAME: classlist | sname | fname | ID | |-----------+-------+----------| | Doe | John | 22339574 | | Belafonte | Harry | 23420537 | | Show | No | 24135666 | #+name: submissions | ID | timestamp | |----------+------------------------| | 22339574 | 19 December 2025 17:59 | | 23420537 | 19 December 2025 10:53 | #+name: results #+begin_src R :var students=classlist subs=submissions library(dplyr) left_join(students, subs, by='ID') #+END_SRC #+RESULTS: results | Doe | John | 22339574 | 19 December 2025 17:59 | | Belafonte | Harry | 23420537 | 19 December 2025 10:53 | | Show | No | 24135666 | |