| +.ps | Modify a psdesign object by adding on new components. | 
| add_bootstrap | Bootstrap resampling parameters | 
| add_estimate | Estimate parameters | 
| add_integration | Integration models | 
| add_riskmodel | Add risk model to a psdesign object | 
| calc_risk | Calculate the risk and functions of the risk | 
| calc_STG | Calculate the Standardized total gain | 
| empirical_TE | Compute the empirical Treatment Efficacy | 
| empirical_VE | Compute the empirical Treatment Efficacy | 
| expand_augdata | Expand augmented data using the integration function | 
| generate_example_data | Generate sample data used for testing | 
| integrate_bivnorm | Bivariate normal integration models for the missing S(1) | 
| integrate_nonparametric | Nonparametric integration model for the missing S(1) | 
| integrate_parametric | Parametric integration model for the missing S(1) | 
| integrate_semiparametric | Semiparametric integration model using the location-scale model | 
| plot.psdesign | Plot summary statistics for a psdesign object | 
| print.psdesign | Concisely print information about a psdesign object | 
| psdesign | Specify a design for a principal surrogate evaluation | 
| pseudo_score | Estimate parameters from a specified model using pseudo-score | 
| ps_bootstrap | Estimate parameters from a specified model using bootstrap resampling and estimated maximum likelihood | 
| ps_estimate | Estimate parameters from a specified model using estimated maximum likelihood | 
| risk.logit | Logit link function | 
| risk.probit | Probit link function | 
| riskcalc | Calculate risks with handlers for survival data | 
| risk_binary | Risk model for binary outcome | 
| risk_continuous | Risk model for continuous outcome | 
| risk_exponential | Exponential risk model for time to event outcome | 
| risk_poisson | Poisson risk model for count outcomes | 
| risk_weibull | Weibull risk model for time to event outcome | 
| sp_locscale | Fit the semi-parametric location-scale model | 
| stg | Compute the standardized total gain | 
| summarize_bs | Summarize bootstrap samples | 
| summary.psdesign | Summary method for psdesign objects | 
| TE | Treatment efficacy contrast functions | 
| verify_trt | Check that a variable is suitable for using as binary treatment indicator | 
| wem_test | Test for wide effect modification |