Specify question availability in a tracking report

For each alias, we set an attribute that identifies it's availability across all the datasets: "general", and "single"

• "general" means it is available in only some datasets

• "single" means it is available in exactly one dataset Because we use subsetting at the list level, "general" and "single" would follow a typical path that labeling was adjusted appropriately for presentation in the resulting pdf "single" should act as a simple passthrough where no additional formatting or manipulation takes place on the result.

trackingDeclareAvailability(rebuilt_results, results_available, var, labels)

Arguments

rebuilt_results	A list of result objects from crunch
results_available	A vector identifying in which list elements
var	The name of the alias that we are declaring its availability
labels	The wave labels