| detect_outliers | Detect outliers | 
| get_residuals | Get residuals | 
| incremental_normalize | Normalize incremental test data | 
| interpolate | Interpolate data from breath-by-breath into second-by-second | 
| model_diagnostics | Model diagnostics | 
| normalize_first_breath | Normalize first breath | 
| normalize_time | Normalize time column | 
| normalize_transitions | Normalize transitions | 
| perform_average | Perform average on second-by-second data | 
| perform_kinetics | Perform VO2 kinetics fitting | 
| perform_max | Perform VO2max calculation | 
| plot_incremental | Plot incremental test work rate | 
| plot_outliers | Plot outliers | 
| predict_bands | Extract confidence and prediction bands | 
| predict_bands_baseline | Extract confidence and prediction bands for the baseline phase | 
| predict_bands_transition | Extract confidence and prediction bands for the transition phase | 
| print.whippr | Whippr print method | 
| process_data | Process data for VO2 kinetics fitting | 
| read_data | Read data from metabolic cart | 
| run_manual_cleaner | Manual data cleaner | 
| theme_whippr | Whippr ggplot2 theme | 
| vo2_kinetics | VO2 kinetics | 
| vo2_max | VO2max |