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Babysitting LLMs
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Babysitting LLMs

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yjunechoe/README.md

I am a computational linguist at Amazon Rufus, Generative AI. I develop LLM evaluation infrastructure (both with and for LLMs), manage end-to-end prompt optimization pipelines, design model post-training recipes, and build tools for human-in-the-loop workflows.

I received my Ph.D. in Linguistics from the University of Pennsylvania in 2025, where I studied psycholinguistics, pragmatics, and language acquisition.

I'm also an open source enthusiast and data visualization hobbyist. I develop FOSS for statistical computing and graphics, data quality assurance, and interfaces to data APIs.

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  1. ggtrace ggtrace Public

    A functional interface to ggplot2 internals

    R 60

  2. ggplot2-layer-explorer ggplot2-layer-explorer Public

    Shiny app to explore ggplot2's layer-building pipeline

    R 17

  3. jlmerclusterperm jlmerclusterperm Public

    Fast cluster-based permutation test for densely-sampled, multi-level time series data (ex: eyetracking, EEG)

    R 13 1

  4. rstudio/pointblank rstudio/pointblank Public

    Data quality assessment and metadata reporting for data frames and database tables

    R 1k 60

  5. ropensci/openalexR ropensci/openalexR Public

    Getting bibliographic records from OpenAlex

    R 126 23

  6. ggcolormeter ggcolormeter Public

    A ggplot2 color/fill legend guide extension in the style of a dashboard meter

    R 19 1