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    Projects


    Data science, machine learning and engineering work
    Don't let an LLM explain your search results thumbnail

    Don't let an LLM explain your search results

    Why the explanation has to come from the ranking, not from a model

    September 10, 2026

    • rag
    • llm
    • python
    The silent failure mode in hybrid search thumbnail

    The silent failure mode in hybrid search

    When one leg returns nothing, the results still look fine

    September 7, 2026

    • rag
    • llm
    • python
    Credit Card Fraud Detection Model thumbnail

    Credit Card Fraud Detection Model

    Five classifiers on a 0.17% positive class

    December 10, 2023

    • machine-learning
    • python
    E-commerce Customer action analysis using RFM method thumbnail

    E-commerce Customer action analysis using RFM method

    November 29, 2023

    • analytics
    • machine-learning
    • python
    Fraud Detection Model thumbnail

    Fraud Detection Model

    AutoEncoder & IF & LOF

    June 20, 2023

    • machine-learning
    • python
    Semiconductor manufacturing analysis thumbnail

    Semiconductor manufacturing analysis

    From multi-output to single-output

    June 12, 2023

    • machine-learning
    • analytics
    • python
    Design Big Data Analysis with Apache Spark thumbnail

    Design Big Data Analysis with Apache Spark

    June 8, 2023

    • data-engineering
    • python
    Identification of Different Types of Cell Nuclei in Cancer thumbnail

    Identification of Different Types of Cell Nuclei in Cancer

    June 5, 2023

    • machine-learning
    • python
    Airbnb Clone Coding thumbnail

    Airbnb Clone Coding

    June 1, 2023

    • python
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    HyunSuk Lee  •  2026  •  nockda.github.io  •  Edit page

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