add_missing_indicators
                        Add Missing Indicators
adjust_intercept        Adjust Intercept After Back-Transformation
back_transform_coefficients
                        Back-transform Coefficients to Original Scale
back_transform_data     Back-transform Data
bootstrap_cpa           Bootstrap Confidence Intervals for the CPA
                        Yield Gap Decomposition
calculate_minmax_effects
                        Calculate Min-Max Effects of Variables on Yield
calculate_opt_values    Calculate Optimal Values for Selected Variables
calculate_relative_importance
                        Calculate Relative Importance of Variables
check_assumptions       Check Linear Regression Assumptions
check_data_ready        Quick Check for Data Readiness
detect_variable_types   Detect variable types
encode_variables        Encode variables for statistical models
filter_variables        Apply All Filtering Steps
group_high_cardinality
                        Group levels of high-cardinality categorical
                        variables
handle_missing_values   Handle Missing Values
missing_summary         Quick Missing Value Summary
model_diagnostics       Quick Model Summary with Assumption Checks
pareto_analysis         Pareto Analysis of Yield Gap Contributions
plot_all_graphs         Generate All Yield Gap Plots
plot_contribution_shares
                        Plot Variable Contributions to Yield Gap
plot_minmax_effects     Plot Min-Max Effects of Variables on Yield
plot_observed_vs_predicted
                        Plot Observed vs. Predicted Yield
plot_relative_importance
                        Plot Relative Importance of Variables
plot_yield_gap_distribution
                        Plot Distribution of Yield Gap Across Fields
prep_yield_gap          Main Preprocessing Pipeline for Yield Gap
                        Analysis
preprocessing_report    Create a Preprocessing Report
remove_constant_vars    Remove Constant Variables
remove_highly_correlated
                        Remove Highly Correlated Variables
remove_near_zero_variance
                        Remove Near Zero Variance Variables
remove_non_predictors   Remove Non-Predictor Variables
save_field_level_excel
                        Save Field-Level Yield Gap Analysis to Excel
save_results_excel      Save Yield Gap Analysis Results to Excel
scale_new_data          Scale New Data Using Existing Parameters
scale_variables         Scale Continuous Variables
select_vars_aic         Variable Selection via AIC-Based Stepwise
                        Regression
select_vars_ftest       Forward Stepwise Variable Selection Using
                        F-test
sugarcane1              Sugarcane Yield Trial Data
summary_scaling         Get Scaling Summary
trim_whitespace         Trim leading/trailing whitespace from character
                        columns
validate_model_with_cv
                        k-Fold Cross-Validation for Yield Gap Model
validate_preprocessing
                        Validate Preprocessing Results
wheat1                  Wheat Yield Trial Data (Clean)
wheat2                  Wheat Yield Trial Data (Small,
                        High-Dimensional, Real-World Messy)
yield_gap_analysis      Complete Yield Gap Analysis Using CPA Method
yield_gap_components    Calculate Yield Gap Components from CPA Table
