Estimate Bayesian Multilevel Models for Compositional Data
Efficient approximate leave-one-out cross-validation (LOO)
MCMC Plots Implemented in bayesplot
Mean amounts and mean compositions presented in a complr object.
Extracting the Model Frame from a Formula or Fit from brmcoda object
multilevelcoda Simulation Study Results
Extract Number of Observations from brmcoda object
Create a matrix of output plots from a brmcoda's brmsfit object
Print a Summary for a fitted brmsfit model in a brmcoda object
Print a Summary for a complr object
Print a Summary for a substitution object
Extract Priors of a brmsfit from a brmcoda object
Group-Level Estimates
Posterior Draws of Residuals/Predictive Errors
Simple Substitution
Average Substitution
Multilevel Compositional Substitution Analysis
Create a Summary of a fitted brmsfit model in a brmcoda object
Create a Summary of a complr object
Create a Summary of a fitted brmsfit model from a pivot_coord obje...
Create a Summary of a Substitution Model represented by a `substitutio...
Interface to shinystan
Index brmcoda objects
Expected Values of the Posterior Predictive Distribution
Draws from the Posterior Predictive Distribution
Population-Level Estimates
Extract Sequential Binary Partition from a complr object.
Extract variable names from an object
Substitution analysis helper functions
Extract amounts and compositions in conventional formats as data.frame...
Bayes Factors from Marginal Likelihoods
Fit Bayesian generalised (non-)linear multilevel compositional model v...
Between-person Simple Substitution
Between-person Average Substitution
Build Base Pairwise Substitution
Checks if argument is a brmcoda object
Checks if argument is a complr object
Checks if argument is a substitution object
Reference Grid for substitution model.
Build Sequential Binary Partition
Model Coefficients
Indices from a (dataset of) Multilevel Composition(s) (deprecated.)
Indices from a (dataset of) Multilevel Composition(s)
Extract Diagnostic Quantities from brmsfit Models in brmcoda
Estimate pivot balance coordinates by refitting model.
Estimate pivot balance coordinates by rotating sequential binary parti...
Estimate pivot balance coordinates
Trace and Density Plots for MCMC Draws plot
Substitution Plot
Posterior Predictive Checks for brmcoda Objects
Update brmcoda models
Variance of compositions presented in a complr object.
Extract Variance and Correlation Components
Covariance and Correlation Matrix of Population-Level Effects
Within-person Simple Substitution
Within-person Average Substitution
Implement Bayesian multilevel modelling for compositional data. Compute multilevel compositional data and perform log-ratio transforms at between and within-person levels, fit Bayesian multilevel models for compositional predictors and outcomes, and run post-hoc analyses such as isotemporal substitution models. References: Le, Stanford, Dumuid, and Wiley (2025) <doi:10.1037/met0000750>, Le, Dumuid, Stanford, and Wiley (2025) <doi:10.1080/00273171.2025.2565598>.
Useful links