| cs_calibrate | Bayesian calibration of new items with predicted priors |
| cs_check | Which item families' predictions can be trusted? |
| cs_distrust | Withdraw priors for untrustworthy families |
| cs_plan | Plan pretest sample sizes for a target precision |
| cs_predictor | Predict item difficulty from item features, with honest uncertainty |
| cs_responses | Simulate pretest responses to new items |
| cs_simulate | Simulate an item bank with features and known difficulties |
| predict.cs_predictor | Predicted difficulty and predictive SD for new items |