resources/images/confusion-matrix.png is a static Wikipedia screenshot
used in index.qmd slides -- not a generated artifact, so it belongs
in version control.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Add reports/figures/, reports/slides/, reports/tables/ to .gitignore
and untrack previously committed PNGs. These are build artifacts
regenerated by tar_make() and deploy.R.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
End-to-end LightGBM fraud detection pipeline built as an R package,
orchestrated by targets with data stored in MinIO via Apache Arrow.
Includes 6-layer Lakehouse architecture, class imbalance tournament,
formally tuned hyperparameters (PR-AUC 0.198), and Quarto RevealJS slides.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
