Rob Wiederstein
33d0fc31c7
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>
57 lines
1.8 KiB
YAML
57 lines
1.8 KiB
YAML
url: https://docs.robwiederstein.org/baflakehouse
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template:
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bootstrap: 5
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bootswatch: flatly # Clean, professional look
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navbar:
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structure:
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left: [intro, reference, articles, presentation]
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components:
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presentation:
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text: "Slides"
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icon: fa-person-chalkboard
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href: slides/index.html
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reference:
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- title: "Data Ingestion & Lakehouse Setup"
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desc: "Functions for moving data from CSV to partitioned Parquet in MinIO."
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contents:
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- baflakehouse-package
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- convert_to_parquet
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- connect_baf
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- clean_baf_base
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- title: "Feature Engineering & Preprocessing"
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desc: "The 'Recipes' layer of the pipeline."
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contents:
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- engineer_features
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- prepare_eda_recipe
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- build_baf_recipe # NEW: Untrained blueprint for production
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- generate_model_inputs
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- title: "The Tournament (Model Selection)"
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desc: "Cross-validation and imbalance strategy testing."
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contents:
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- run_imbalance_tournament
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- train_diag_model
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- create_efficiency_plot # Moved here: Belongs with the tournament
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- title: "Final Evaluation & Production Deployment"
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desc: "Results on unseen data (Months 6-7) and MinIO artifact serialization."
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contents:
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- evaluate_final_model
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- train_production_model # NEW: The final deployment function
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- title: "Reporting: Tables & Visualizations"
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desc: "Generating ggplot2 figures and gt tables for Quarto."
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contents:
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- starts_with("plot_")
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- starts_with("compute_")
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- starts_with("format_") # Neatly catches all your gt table formatters
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- title: "Pipeline Utilities"
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desc: "Internal helpers for the targets workflow and slide generation."
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contents:
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- starts_with("save_report_")
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- render_slides # Consolidated here |