Jiun Kim

Jiun Kim

New York, New York, United States
2K followers 500+ connections

About

Director, Data Science at Audible, An Amazon Company working on improving customer…

Activity

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Experience

  • Audible, Inc. Graphic
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    Greater New York City Area

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    Bangkok

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    Bangkok

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    Gangnam-gu, Seoul, Korea

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    Gangnam-gu, Seoul, Korea

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    Seoul

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    London, United Kingdom

Education

  • Columbia University Graphic

    Columbia University in the City of New York

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    Activities and Societies: Columbia Data Science Society, Women in Science at Columbia

    http://stat.columbia.edu/ma-programs/alumni-resources/alumni-profiles/

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    Activities and Societies: Dong-guk University’s Goodwill Ambassador

    - Received dual degree with Grade Point Average of 91.5/100.
    - 3 Merit-based scholarships and 1 Fellowship Recipient

Publications

Courses

  • Advanced Data Analysis

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  • Advanced GIS & Spatial Analysis

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  • Applied Data Science

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  • Data Mining

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  • Exploratory Data Analysis & Data Visualization

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  • Linear Regression Models

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  • Longitudinal Data Analysis

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  • Probability & Statistical Inferences

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  • Programming in Python

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  • Time Series Analysis

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Projects

  • Political and financial systematic bias among sub-national units

    - Discovering statistical inference of global systematic bias in electoral and budget
    system among states/provinces using Bayesian and Non-Bayesian Hierarchical Model.

  • ‘Yelp Dataset Challenge’, YELP restaurant rating prediction

    - Built various algorithms to best predict YELP restaurants’ star ratings

  • Predicted a person’s income

    - Tested 6 different classifications and clustering methods to fit 32,560 observations.
    - Built a logistic model based on the training data and achieved 90 percent accuracy.

  • Customized Spam filter

    - Produced a spam filter using R with Naïve Bayes classifier based on 700 email documents.
    - Tested 300 emails and reached over 96 percent accuracy.

Languages

  • Korean

    Native or bilingual proficiency

  • English

    Full professional proficiency

  • French

    Elementary proficiency

  • Thai

    Elementary proficiency

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