https://datatables.net/extensions/buttons/examples/html5/complex-header.html
DataTables example - Complex table headers - all header rows
complex tableall headerdatatablesexampleheaders
https://posit.co/resources/videos/list-columns-in-data-table-reducing-the-cognitive-computational-burden-of-complex-data
List-columns in data.table: Reducing the cognitive & computational burden of complex data | Posit
The use of list-columns in data frames and tibbles is well documented (e.g. Bryan, 2018), providing a cognitively efficient way to organize results of complex...