I've been asked to provide a cross tab of the interactions between 8 or so variables. Instead of making a whole load of crosstabs I'd like to select the variables (ideally from a dropdown) and display the interaction that way - meaning just one interactive crosstab.
Unfortunately I have very little experience with shiny (I've only made tables and some graphs in it before) so I don't really know where I should start. If anyone could provide a rough outline of how this should look / somewhere where something similar has been applied I'd be very grateful. Thanks.