| aggregate_df | Aggregate data across an entire data frame using sufficient statistics | 
| as.APC.df | Add 1-indexed APC columns to data frame, handling numeric or categorical age/period | 
| as.APC.NA.df | Create NA structure across age, period and cohort groups based on strata | 
| fit_all_MAPC | Fit all configurations of MAPC models using INLA | 
| fit_MAPC | Fit a multivariable age-period-cohort model | 
| generate_apc_lincombs | Generate Age-Period-Cohort Linear Combinations for INLA | 
| generate_MAPC_formula | Generate MAPC formula for INLA | 
| plot_binned_counts | Plot counts of observations across bins of a numeric variable, optionally stratified | 
| plot_counts_1D | Plot counts of observations across a single variable, optionally stratified | 
| plot_counts_2D | Plot counts of observations across two dimensions, optionally stratified | 
| plot_counts_with_mean | Plot heatmap of observation counts with mean overlay, optionally stratified | 
| plot_lincombs | Plot Linear Combinations of Age-Period-Cohort Effects by Strata | 
| plot_mean_response_1D | Plot mean of a response variable across a single variable, optionally stratified | 
| plot_mean_response_2D | Plot mean of a response variable across two dimensions, optionally stratified | 
| plot_missing_data | Plot Missing Group Combinations | 
| toy_data | Synthetic Age-Period-Cohort Dataset | 
| validate_lincombs_against_formula | Validate lincomb terms against an INLA formula |