Hybrid Architecture for Code Analysis Combining ML and Heuristics

Why pure ML isn't enough for Static Code Analysis 🛠️🧠 For my Master’s project in Computer Science, I’ve been building an AI Quality Gate to evaluate Python codebases. Early on, I realized a major flaw: feeding raw code metrics into a Machine Learning model creates a "black box" that developers can't trust, and it struggles with extreme class imbalances (like tiny, hyper-complex functions). To solve this, I engineered a Hybrid Architecture: 🔹 Tier 1 (The Macro): A Random Forest model evaluates file-level metrics (LOC, Cyclomatic Complexity, Halstead Volume) to predict overall structural risk. 🔹 Tier 2 (The Micro): A deterministic Heuristic Rule Engine slices the code into individual functions, isolating bug hotspots using strict Halstead constraints. 🔹 Explainable AI (XAI): The system doesn’t just spit out a risk percentage; it outputs the exact mathematical reasons why a file failed the quality gate, alongside guided refactoring steps. By combining the probabilistic power of ML with the precision of static heuristics, the tool acts less like a basic linter and more like an automated Senior Reviewer. Next up: Upgrading the system to audit entire repository architectures. #SoftwareEngineering #MachineLearning #Python #ExplainableAI #StaticCodeAnalysis #MSc #ComputerScience

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