Computer Science - Machine Learning Case Study Analysis Assignment

Case Study Analysis AssignmentArticle: Fraud Detection Using Neural Networks: A Case Study of Income Tax Article is found here: 
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  Assignment ObjectiveThe purpose of this assignment is to develop your ability to critically analyze an applied research case study involving machine learning and fraud detection. You will evaluate how Artificial Neural Networks (ANN) were used to detect income tax fraud, assess the methodological choices made by the researchers, and interpret the practical implications of the findings for organizations and policymakers.This assignment will strengthen your ability to:

• Interpret applied research in data analytics and fraud detection
• Evaluate research design and methodological rigor
• Analyze model performance metrics
• Connect technical findings to real-world business and policy implications
• Communicate insights in a structured APA-formatted academic paper

Case Study Summary

The attached article examines the use of Artificial Neural Networks (ANN) to detect income tax fraud using real data from the Rwanda Revenue Authority. The dataset consisted of 7,840 audited taxpayers, of which 21.1% were identified as fraudulent. The researchers addressed class imbalance using Random Under Sampling (RUS) and SMOTE techniques.The study compared multiple neural network configurations, including variations in activation functions, batch sizes, epochs, and layer structures. After testing 576 parameter combinations through grid search and cross-validation, the optimal model was a simple neural network with no hidden layers and a softsign activation function.

Paper Requirements

Write a 3–4 page APA-formatted paper (not including title page and references page) that responds to the five questions below.Your paper must:

• Be written in full paragraphs (not bullet points)
• Double Spaced, Times New Roman, 12pt Font
• Include an introduction and conclusion
• Use APA 7th edition formatting
• Cite the case study appropriately
• Demonstrate critical thinking and analysis (not summary alone)

Analysis Questions

1. Problem Context and Significance
What problem were the researchers attempting to solve? Why is income tax fraud detection particularly challenging for tax authorities? Discuss why traditional auditing methods may be insufficient and how machine learning offers potential advantages.2. Methodological Design and Model Selection
Evaluate the researchers’ methodological approach. Why did they test multiple activation functions, batch sizes, epochs, and layers? Why might a simpler model (no hidden layers) have outperformed more complex architectures in this case?3. Model Evaluation and Performance Metrics
Interpret the model’s reported performance (accuracy, precision, recall, F1 score, AUC-ROC). Which metric is most critical in tax fraud detection and why? Discuss the risks of false positives versus false negatives in this context.4. Feature Importance and Business Implications
Based on the feature importance findings, what characteristics were most associated with income tax fraud? What do these findings imply for audit strategy, policy decisions, or resource allocation?5. Limitations and Future Recommendations
Identify at least two limitations of the study. If you were advising a tax authority, what improvements, extensions, or additional analyses would you recommend?

Academic Integrity Policy – Generative AI Prohibition

The use of generative AI tools (including but not limited to ChatGPT, Claude, Bard, or similar systems) is strictly prohibited for this assignment.This work must be entirely authentic and written independently.Any significant detection of generative AI use will result in:

• A grade of 0 on the assignment
• No opportunity to revise or resubmit

You are responsible for ensuring the originality and authenticity of your work.

Submission Checklist

Before submitting, confirm that:

• Your paper is 3–4 full pages of analysis
• It follows APA 7th edition formatting
• You included proper in-text citations and a reference page
• You addressed all five questions
• The work reflects your own independent thinking and writing

This assignment is designed to move you beyond summary and into analytical evaluation. Focus on interpretation, critique, and application of the research rather than simply restating the article.