| baseline | calculating baseline hazard and baseline cumulative hazard using the result from a 'coxtv' or 'coxtp' object | 
| confint.coxtp | get confidence intervals of time-varying coefficients from a fitted object | 
| confint.coxtv | get confidence intervals of time-varying coefficients from a fitted object | 
| coxtp | fit a Cox non-proportional hazards model with P-spline or Smoothing-spline, with penalization tuning parameter chosen by information criteria or cross-validation | 
| coxtv | fit a Cox non-proportional hazards model | 
| cv.coxtp | fit a cross-validated Cox non-proportional hazards model with P-spline or Smoothing-spline where penalization tuning parameter is provided by cross-validation | 
| ExampleData | example data with 2000 observations of 2 continuous variables | 
| ExampleDataBinary | example data with 2000 observations of 2 binary variables | 
| get.tvcoef | helper function to get time-varying coefficients | 
| IC | calculating information criteria from a 'coxtp' object | 
| plot.baseline | plotting the baseline hazard | 
| plot.coxtp | plotting results from a fitted 'coxtp' object | 
| plot.coxtv | plotting results from a fitted 'coxtv' object | 
| StrataExample | example data for stratified model illustration | 
| support | Study to Understand Prognoses Preferences Outcomes and Risks of Treatment | 
| tvef.ph | testing the proportional hazards assumption from a 'coxtv' or 'coxtp' object | 
| tvef.zero | testing the significance of the covariates from a 'coxtv' or 'coxtp' object | 
| tvef.zero.time | testing the significance of the covariates from a 'coxtv' or 'coxtp' object using a Wald test statistic |