autoFlagR 1.0.0

Version 1.0.0 (2025-12-22)

Core Functionality

• prep_for_anomaly(): Automated data preprocessing for anomaly detection
• score_anomaly(): Anomaly scoring using Isolation Forest and Local Outlier Factor
• flag_top_anomalies(): Flagging records as anomalous based on threshold or contamination rate
• generate_audit_report(): Generate comprehensive PDF, HTML, and DOCX audit reports

Benchmarking

• extract_benchmark_metrics(): Extract performance metrics (AUC-ROC, AUC-PR, Top-K Recall)
• calculate_benchmark_metrics(): Calculate metrics from scored data with ground truth

Utilities

• get_top_anomalies(): Retrieve top N most anomalous records
• Feature importance calculation for explaining anomalies

Features

• Support for multiple anomaly detection algorithms (Isolation Forest, LOF)
• Automated preprocessing (ID handling, scaling, encoding)
• Professional report generation with visualizations
• Benchmarking capabilities for validation studies
• Tidyverse-compatible interface

Documentation

• Comprehensive function documentation
• Getting started vignette
• Healthcare example vignette
• Benchmarking tutorial