01 / FINANCIAL ANALYSIS
Financial Ratio Explorer
Two years, 24 fictional companies, KMeans and PCA. Cluster labels have no risk-ranking meaning.
DATA · ENGINEERING · EVALUATION
Interactive experiments
Three newly written learning examples with synthetic records. Each includes an interactive view, source code, methodological notes and reproducible checks.
02 / DATA QUALITY
Data Preparation Audit
Four scenarios, explicit missing-value and conflict policies, retained rows and quarantine reasons.
03 / MODEL EVALUATION
Model Evaluation Lab
Fixed synthetic scores, threshold exploration, ROC / PR and prediction-level ensembles. No model is trained.
These demonstrations are learning artifacts, not deployed business systems or research performance results. Source data from private local projects is excluded. The reading map documents dependencies, attribution and reproduction.