predict.ty_link         Projected summative score (the prior) from
                        interims
ty_administer           Administer a two-stage MST to simulated
                        examinees
ty_decisions            Decision accuracy and consistency: through-year
                        vs single summative
ty_fairness             Fairness diagnostics for prior-informed routing
                        and scoring
ty_link                 Link interims to the summative scale
ty_mst                  Define a two-stage multistage test
ty_mst_default          A default 1-3 MST: 12 routing items,
                        easy/medium/hard modules of 24
ty_policies             Compare routing and scoring policies
ty_simulate             Simulate a through-year system with known true
                        growth
