A two-way table shows the frequency of data which satisfies two variables. Each row represents one variable, and each column represents another.

R data.table code becomes more efficient — and elegant — when you take advantage of its special symbols and ... If you want to group by two or more variables, use the . symbol. For example: ...

Option 1 - data table: The best solution is to simply provide this as an accessible HTML data table. This will give the student independent access to the data without changing the visual format.