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Standard workflow

Adoption-facing helpers for the recommended screen, fit, check, predict workflow.

select_margin() screen_margin()
Select candidate marginal distributions
best_fit() best_fit_family()
Extract the best-fitting candidate from a selection result
select_copula()
Select a bivariate copula family from pseudo-observation pairs
select_joint_distribution()
Select margin and copula families by joint longitudinal fit
gamlss_longitudinal()
Fit a longitudinal joint regression model
summary(<gamlss.longitudinal>)
Summarize a fitted gamlss.longitudinal model
coef(<gamlss.longitudinal>)
Coefficients for a fitted longitudinal GAMLSS-copula model
vcov(<gamlss.longitudinal>)
Variance-covariance matrix for a fitted longitudinal GAMLSS-copula model
logLik(<gamlss.longitudinal>)
Log-likelihood for a fitted longitudinal GAMLSS-copula model
formula(<gamlss.longitudinal>) terms(<gamlss.longitudinal>) nobs(<gamlss.longitudinal>) model.frame(<gamlss.longitudinal>) fitted(<gamlss.longitudinal>) residuals(<gamlss.longitudinal>)
Access components of a fitted longitudinal GAMLSS-copula model

Inference and interpretation

Reportable intervals, hypothesis tests, likelihood comparisons, and effects.

confint(<gamlss.longitudinal>)
Confidence intervals for fixed coefficients
wald_test()
Wald tests for fixed coefficients
likelihood_compare()
Compare fitted models with likelihood-ratio summaries
bootstrap_inference()
Parametric bootstrap inference for fitted models
predict(<gamlss.longitudinal>)
Predict from a longitudinal GAMLSS-copula model
marginal_effects()
Counterfactual marginal effects from fitted distributional parameters
reporting_table()
Build an applied reporting table from a fitted model
model_spec()
Audit a fitted longitudinal GAMLSS-copula model specification
simulate(<gamlss.longitudinal>)
Simulate responses from a longitudinal GAMLSS-copula model

Diagnostics

Decision-oriented checks and visual diagnostics for fitted models.

check_model()
Check a fitted longitudinal GAMLSS-copula model
check_missingness()
Check response missingness against observed predictors
copula_time_summary()
Summarise fitted copula parameters by time
topmodels_diagnostics pithist qqrplot wormplot rootogram proscore procast
Diagnostic generics for fitted longitudinal GAMLSS-copula models
plot_dist() plotDist()
Plot marginal and pairwise distribution diagnostics
plot_margin_fit()
Plot an observed marginal response with a fitted GAMLSS density overlay
plot_copula_fit() plot_copula_overlay()
Plot empirical pseudo-observation pairs with a fitted copula overlay
plot(<gamlss.longitudinal>)
Plot diagnostics dashboard for fitted gamlss.longitudinal objects
plot(<copula_time_summary>)
Plot fitted copula trends by time
plot(<copula_contour_compare>)
Compare fitted and empirical copula contour surfaces
plot_copula_diagnostics() plot(<copula>)
Plot copula diagnostics for a fitted gamlss.longitudinal object
plot_terms()
Plot term effects for a fitted longitudinal model
plot_fixed_terms()
Plot all fixed terms with confidence bands
plot_smooth_terms()
Plot all smooth terms with confidence bands

Simulation and benchmarks

Data generators and opt-in comparator benchmarks for adoption evidence.

simulate_longitudinal_covariates()
Generate covariates for longitudinal simulations
simulate_longitudinal_dataset()
Simulate longitudinal GAMLSS-copula data
run_coverage_simulations()
Run opt-in distribution/copula/method coverage simulations
benchmark_comparator_status()
List available standard longitudinal benchmark comparators
benchmark_standard_models()
Fit standard longitudinal comparator models for adoption benchmarks
adoption_benchmark_scenarios()
Return named adoption benchmark scenarios
run_adoption_benchmarks()
Run repeated adoption benchmark scenarios
summarise_benchmark_results()
Summarise benchmark simulation results into win/tie/loss tables
format_benchmark_report()
Format an adoption benchmark report
write_benchmark_report()
Write an adoption benchmark report
write_coverage_summary_report()
Write a LaTeX summary report for coverage simulations

Simulation helper functions

Small helper functions used in simulation examples.

sim_factor_effect()
Look up named effects for a factor-like variable
sim_rescale01()
Rescale a numeric vector to the unit interval
sim_smooth_linear() sim_smooth_sin() sim_smooth_bump() sim_smooth_sigmoid() sim_smooth_u() sim_smooth_wiggle()
Simple deterministic smooth shapes for simulation truth