Inspect the variables defined in your dexter project and their datatypes
a dexter project database
a data.frame with name and type of the variables defined in your dexter project
The variables in Dexter consist of the item properties and person properties you specified
and a number of reserved variables that are automatically defined like
Variables in Dexter are most useful when used in predicate expressions. A number of functions can take a dataSrc argument and an optional predicate. Predicates are a concise and flexible way to filter data for the different psychometric functions in Dexter.
The variables can also be used to retrieve data in