actg315raw              Data from ACTG315 trial of HIV viral load in
                        adults undergoing ART
add_noise               Add noise to viral load observations
biphasic_root           Biphasic root function
filter_data             Prepare input data
filter_dataTTS          Prepare input data for non-parametric TTS
                        calculations.
fit_model               Fit model and obtain parameter estimates
fit_model_triphasic     Fit model and obtain parameter estimates
get_CI                  Calculate parameter confidence intervals
get_CItable             Make parameter summary table
get_TTS                 Time to suppression (TTS) function
get_biphasic            Compute the biphasic model curve
get_curve               Compute the model for a given subject's data
                        and best-fit parameters
get_error               Evaluate error metric between data and model
                        prediction
get_error_triphasic     Evaluate error metric between data and model
                        prediction
get_nonparametricTTS    Non-parametric TTS function
get_optim_fit           Fit model to data using optim
get_optim_fit_triphasic
                        Fit triphasic model to data using optim
get_parametricTTS       Parametric TTS function
get_params              Extract fitted parameters
get_plottheme           Get plotting theme
get_singlephase         Compute the single phase model curve
get_transformed_params
                        Transform parameters
get_triphasic           Compute the triphasic model curve
plot_TTS                Plot time to suppression distribution
plot_data               Plot data
plot_model              Plot model fits
plot_pairs              Plot pairwise parameter distributions
remove_vl0              Prune viral load data
simulate_data           Create data function
simulate_time           Simulate timepoints for subjects
simulate_time_fixed     Simulate timepoints for subjects according to
                        fixed design.
simulate_vl             Simulate vl for subjects
single_root             Single phase root function
summarize_model         Summarize model output
switch_params           Switch names of rate parameters
switch_simulated_params
                        Switch names of simulated rate parameters
transformVL             Transform viral load data
tri_switch_params       Switch names of rate parameters
triphasic_root          Triphasic root function
ushr                    Master function
ushr_triphasic          Master function for the triphasic model
