| OPSR-package | OPSR: Ordered Probit Switching Regression | 
| anova.opsr | ANOVA for OPSR Model Fits | 
| extract-method | Extract Method for OPSR Model Fits | 
| extract.opsr | Extract Method for OPSR Model Fits | 
| loglik_cpp | Interface to C++ Log-Likelihood Implementation | 
| model.frame.opsr | Extracting the Model Frame from OPSR Model Fits | 
| model.matrix.opsr | Construct Design Matrices for OPSR Model Fits | 
| OPSR | OPSR: Ordered Probit Switching Regression | 
| opsr | Fitting Ordered Probit Switching Regression Models | 
| opsr.fit | Fitter Function for Ordered Probit Switching Regression Models | 
| opsr_2step | Heckman Two-Step Estimation | 
| opsr_check_omp | Check Whether 'OpenMP' is Available | 
| opsr_check_start | Check the User-Specified Starting Values | 
| opsr_max_threads | Check Maximum Number of Threads Available | 
| opsr_null_model | Null Model for OPSR Model fits | 
| opsr_prepare_coefs | Prepares Coefficients for Likelihood Function | 
| opsr_simulate | Simulate Data from an OPSR Process | 
| opsr_step | Step Function for OPSR Model Fits | 
| opsr_te | Treatment Effect Computations for OPSR Model Fits | 
| pairs.opsr.te | Pairs Plot for OPSR TE Objects | 
| plot.opsr | Plot Method for OPSR Model Fits | 
| predict.opsr | Predict Method for OPSR Model Fits | 
| print.anova.opsr | Print Method for ANOVA OPSR Objects | 
| print.ate | Print Method for ATE Objects | 
| print.opsr.te | Print Method for OPSR ATE Objects | 
| print.summary.opsr | Print Method for Summary OPSR Objects | 
| print.summary.opsr.te | Print Method for Summary OPSR TE Objects | 
| print.te | Print Method for TE Objects | 
| summary.opsr | Summarizing OPSR Model Fits | 
| summary.opsr.te | Summarizing OPSR TE Objects | 
| telework_data | Telework Data | 
| timeuse_data | TimeUse+ Data |