auto_export_for_mgcv    Export an earthUI result as RDS for consumption
                        by mgcvUI
build_allowed_function
                        Build an allowed function for earth()
build_allowed_matrix    Build an allowed interaction matrix
build_sales_grid        Build a Sales Comparison Grid Excel workbook
city_abbreviation       Generate a city path code from a full name
compute_intermediate_output
                        Compute intermediate output data frame
compute_rca_adjustments
                        Compute RCA (Residual Comparable Adjustment)
                        output for an appraisal
compute_sale_age        Compute sale age in integer days
convert_quarto_file     Convert a Quarto source file to one or more
                        output formats
country_choices         List all countries with shipped admin schemas
country_schema          Get the admin-level schema for a country
default_regproj_root    Default regProj root for the current OS
detect_categoricals     Detect likely categorical variables in a data
                        frame
detect_types            Detect column types in a data frame
earthui_prefs_path      Path to the per-user earthUI preferences file
earthui_prefs_read      Read user preferences (returns empty list if
                        file missing)
earthui_prefs_write     Write user preferences (atomic; creates the
                        config dir if needed)
export_settings         Export saved earthUI settings for one
                        file+purpose to a JSON file
fit_earth               Fit an earth model
format_anova            Format ANOVA decomposition
format_model_equation   Format earth model as LaTeX equation
format_summary          Format earth model summary
format_variable_importance
                        Format variable importance
generate_quarto_report
                        Generate a Quarto report source bundle (without
                        rendering)
get_project_settings    Get model settings for a project
import_data             Import data from CSV or Excel files
is_project_dir          Test whether a path is a regProj project leaf
                        folder
launch                  Launch the earthUI Shiny application
list_g_functions        List g-function groups from a fitted earth
                        model
os_detect               Detect the current operating system as a
                        regProj segment
plot_actual_vs_predicted
                        Plot actual vs predicted values
plot_contribution       Plot variable contribution
plot_correlation_matrix
                        Plot correlation matrix
plot_g_contour          Plot g-function as a static contour (for
                        reports)
plot_g_function         Plot g-function contribution
plot_g_persp            Plot g-function as a static 3D perspective (for
                        reports)
plot_partial_dependence
                        Plot partial dependence
plot_qq                 Plot Q-Q plot of residuals
plot_residuals          Plot residual diagnostics
plot_variable_importance
                        Plot variable importance
prepare_report_assets   Prepare report assets
regproj_flat_segment    Encode the flat regProj segment from components
regproj_geo_db_connect
                        Open (and initialize if needed) the regProj geo
                        database
regproj_geo_db_path     Path to the regProj geo SQLite database
regproj_in_files        List input files in an active project's in/
                        folder
regproj_index_get       Get a code for a full name within a scope
regproj_index_path      Path to the central regProj name-to-code index
                        (legacy)
regproj_index_put       Set a name-to-code mapping in the geo SQLite DB
regproj_index_read      Read the central regProj index from the geo
                        SQLite DB
regproj_index_write     Deprecated. The geo data is now in SQLite; this
                        is a no-op kept for backward compatibility.
regproj_last_file       Last-used input file marker (per project)
regproj_list_projects   List all projects under a regProj root
regproj_parse_flat      Decode a flat regProj segment back into
                        components
regproj_path            Build a regProj-canonical path
regproj_projects_db_connect
                        Open (and initialize if needed) the regProj
                        projects database
regproj_projects_db_path
                        Path to the regProj projects SQLite database
regproj_reference       Load the shipped regProj reference data
render_report           Render an earth model report
select_sales_grid_comps
                        Select comparable sales for the Sales
                        Comparison Grid
set_project_settings    Set model settings for a project
validate_types          Validate declared column types against actual
                        data
write_earth_output      Write an earth model summary to a text file
write_fit_log           Write an earthUI fitting log to a text file
