PITS-package            PITS: Power of Interrupted Time Series studies
build_param_grid        Build a factorial parameter grid for power
                        calculations
calculate_power         Estimate statistical power for a single-site
                        ITS design
calculate_power_multi   Estimate statistical power for a multi-site ITS
                        design
diagnose_params         Diagnostic plots for pre-intervention data
estimate_and_calculate
                        Estimate parameters and calculate power in one
                        step
estimate_baseline       Estimate baseline outcome from pre-intervention
                        data
estimate_its_params     Estimate all ITS nuisance parameters from
                        pre-intervention data
estimate_rho            Estimate AR(1) autocorrelation from
                        pre-intervention data
estimate_sigma          Estimate residual standard deviation from
                        pre-intervention data
estimate_trend          Estimate pre-intervention trend from
                        pre-intervention data
example_cfr_data        Example pre-intervention case fatality rate
                        data
export_results          Export PITS results to CSV and plain-text
                        summary
fit_its_model           Fit a segmented regression model to an ITS
                        dataset
interpret_power         Interpret a power estimate qualitatively
plot_its_example        Plot a simulated ITS example
plot_power_curve        Plot power as a function of post-intervention
                        duration
plot_power_heatmap      Plot a power heatmap across two parameters
power_sweep             Design optimisation sweep: power across a range
                        of n_post values
print.pits_power_result
                        Print method for PITS power results
print.pits_sweep_result
                        Print method for PITS sweep results
run_its_power           Full single-site ITS power workflow
run_power_grid          Run power calculations across a parameter grid
simulate_its_data       Simulate a single ITS dataset
simulate_predata        Generate synthetic pre-intervention data
summary.pits_power_result
                        Summary method for PITS power results
validate_params         Validate ITS parameter values before simulation
