Modern Benford's Law

Preface. Fundamentals: Non-Statistical Approaches to Benford's Law. 1.0 The Story of Benford's Law. 1.1 Setting Expectations. 1.2 What Does it Mean to "Pass" or "Fail" Benford's Law?. 2.0 The Basics of Benford's Law. 2.1 The First Significant Digit. 2.2 Benford's Law. 2.3 Testing Data. 2.4 Exceptions to Benford's Law. 3.0 Common Results - with Graphs. 3.1 The Classic Example: Avoiding a Limit. 3.2 Missing Data. 3.3 Spikes & Potential Duplicate Transactions. 3.4 Imprecise or Estimated Data. 3.5 Data with Limits. 3.6 Not Enough Data. 4.0 Intermediate Topics. 4.1 Two-Digit Test. 4.2 Example Application: Greenhouse Gas Emissions. 4.3 Second Order Test. 4.4 Example Application: Fleet Mileage. 4.5 Changing Scales. 4.6 Data Transformation. 4.7 Example Application: Accounts Payable Amounts. 4.8 Generating Random Benford's Law-compliant Data. Advanced Techniques: Statistical Approaches to Benford's Law. 5.0 Goodness-of-Fit Scores. 5.1 The D-(Distance) Score. 5.2 MAD (Mean Absolute Deviation). 5.3 Honorable Mentions: Chi-Squared and Other Scores from the Math Department. 5.4 Last Place: The Z-Score. 6.0 Benford-like Distribution. 6.1 The Generalized Benford's Law. 6.2 Example Application: Inventory Adjustments. 7.0 Finding High-Risk Groups. 7.1 Approach to Identifying High Risk Groups. 7.2 Example Application: FinCEN Files. 8.0 Time Series Applications. 8.1 Binned Data. 8.2 Example Application: Journal Entries. 8.3 Windowed Data. 8.4 Example Application: Law Enforcement Gun Usage. 9.0 Benford's Law and Machine Learning. 9.1 Data Quality Monitoring. 9.2 Benford's Law as a Feature. 9.3 Benford's Law as an Outcome Variable. 9.4 Benford's Law for Evaluating ML/AI Models. 10.0 Beyond Base 10. 10.1 The Benford's Law Formula in Other Bases. 10.2 The Concept of Base Invariance. 10.3 Example Application - Determining the Base of a Dataset. 10.1 Example of Base Invariance. Wrapping Up. 11.0 Professional Practice and Benford's Law. 11.1 Benford's Law Throughout the Audit Process. 11.2 Professional Standards. 11.3 Special Notes on Fraud. 12.0 Case Study: IT Incident Management. 12.1 Audit Background. 12.2 Data Preparation. 12.3 Implementing Benford's Law. 12.4 Analysis and Results. 12.5 Wrapping Up. 13.0 Advanced Case Study. 13.1 Audit Background. 13.2 Optimizing Benford's Law. 13.3 Benford's Law in Power BI. 13.4 Finding High Risk Groups. 13.5 Time Series & Continuous Monitoring. 13.6 Wrapping Up. Appendices: Deriving Benford's Law. A.1 Algebraic Approach. A.2 Visual Approach.

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• Aspectos jurídicos da Tecnologia Informática
• Privacidade e protecção de dados
• Contabilidade de getão e contabilidade geral
• Fraudes com computadores e hacking
• Arquitectura do computador e projecto lógico
• Estratégia de negócios
• Gestão de rede
• Indústrias de serviços
• Criminologia: aspectos jurídicos
• Causas e prevenção do crime

forensic accounting;statistical anomaly detection;quantitative assurance methods;data quality monitoring;machine learning applications;financial irregularity analysis;advanced audit analytics techniques