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Simulate case data

sim_case_data()
Simulate longitudinal case follow-up data from a homogeneous population

Prepare data for analysis

serodynamics_example()
Get path to an example file
load_data()
load and format data
as_case_data()
Convert data into case_data
prep_data()
prepare data for JAGs

Visualize data

autoplot(<case_data>)
Plot case data

Prepare auxiliary JAGS inputs

prep_priors()
Prepare priors
initsfunction()
JAGS chain initialization function

Model seroreponse

run_mod()
Run Jags Model

Model diagnostics

plot_jags_dens()
Density Plot Diagnostics
plot_jags_Rhat()
Rhat Plot Diagnostics
plot_jags_trace()
Trace Plot Diagnostics
plot_jags_effect()
Plot Effective Sample Size Diagnostics
plot_predicted_curve()
Generate Predicted Antibody Response Curves (Median + 95% CI)

Postprocess JAGS output

postprocess_jags_output()
Postprocess JAGS output

Summarize seroresponse model estimates

post_summ()
Summary Table of Jags Posterior Estimates

Model 2a: cross-biomarker extension (Chapter 2)

Chapter 2 extension that adds a same-parameter cross-biomarker covariance to the Chapter 1 model via a shared latent factor (strictly nests Chapter 1).

run_mod_2a()
Fit Model 2a (Chapter 1 + alpha) with JAGS
compare_mod_2a()
Compare Chapter 1 and Model 2a on the same data
fit_chapter1_lean()
Lean Chapter 1 fit (for comparison with Model 2a)
summarize_cross_2a()
Summarize cross-biomarker covariance from a Model 2a fit
summarize_curve_params_2a()
Summarize shared curve-parameter posteriors
validate_recovery_2a()
Validate Model 2a parameter recovery
validate_nesting_2a()
Validate the Chapter 1 nesting / no-false-positive behaviour
sim_case_data_2a()
Simulate longitudinal case data with known cross-biomarker covariance
sim_params_2a()
Simulate subject-level parameters with a known Model 2a covariance
prep_priors_2a()
Prepare priors for Model 2a
add_factor_priors()
Append Model 2a factor priors to a Chapter 1 prior list
jags_data_2a()
Build the combined JAGS input list for Model 2a
make_inits_2a()
Initial-value factory for Model 2a chains
build_sigma_2a()
Assemble a Model 2a covariance matrix
cross_cov_from_loadings()
Convert factor loadings to cross-biomarker covariance
cross_cor_from_draw_2a()
Convert loadings + precisions to cross-biomarker correlation
marginal_var_2a()
Marginal within-biomarker variance under the factor model

Example data sets

serodynamics_example()
Get path to an example file
nepal_sees
SEES Typhoid data
nepal_sees_jags_output
SEES Typhoid run_mod jags output