Updated on 2023/12/27

写真a

 
NA Myungjin
 
Organization
School of Law Assistant Professor
Position
Assistant Professor
External link

Degree

  • Doctor of Philosophy ( 2009.3   Okayama University )

  • Master of Science ( 2005.2   Korea University (Korea) )

  • Bachelor of Economics ( 2002.2   Korea University (Korea) )

Research Interests

  • データサイエンス

  • 計算機統計学

  • 統計科学

Research Areas

  • Natural Science / Applied mathematics and statistics

Education

  • Okayama University   大学院環境学研究科   博士後期課程

    2005.10 - 2009.3

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    Country: Japan

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  • 韓国 高麗大学校   大学院自然科学大学   情報統計学科

    2002.3 - 2005.2

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    Country: Korea, Republic of

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  • 韓国 高麗大学校   自然科学大学   情報統計学科

    1996.3 - 2002.2

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    Country: Korea, Republic of

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Research History

  • 岡山大学 大学院法務研究科   助教

    2015.4

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    Country:Japan

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  • 岡山大学 大学院社会文化科学研究科(法)   助教

    2010.9 - 2015.3

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    Country:Japan

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  • 株式会社CAC

    2010.5 - 2010.8

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    Country:Japan

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  • 株式会社モスインスティテュート

    2009.4 - 2010.4

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    Country:Japan

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Professional Memberships

Committee Memberships

  •   統計教育大学間連携ネットワークFD活動WG委員  

    2013.2 - 2017.3   

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  • 日本統計学会   広報委員  

    2011.4 - 2013.3   

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    Committee type:Academic society

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Papers

  • ANALYSIS OF FACTORS AFFECTING THE TIME TO THE FIRST CASE OF COVID-19 USING A BIMODAL REGRESSION MODEL Reviewed

    Takahashi Masanori, Na Myungjin, Kurihara Koji

    Bulletin of the Computational Statistics of Japan   35 ( 1 )   1 - 16   2022

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    Authorship:Last author   Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Japanese Society of Computational Statistics  

    The first case of COVID-19 that was confirmed in Wuhan, Hubei Province China on December 31, 2019, rapidly spread worldwide. Understanding the factors that affect the time it takes for the first COVID-19 infection to be observed will help countries consider the courses of action that they should take in the early stages of the next pandemic. Vigdorovits (2020) considered a gravity model that expressed time to first case as a function of multiple socio-economic factors. Assuming that objective variables follow a Gompertz distribution, he estimated the parameters of the gravity model using accelerated failure time (AFT) survival analysis. However, the distribution of the time to the first case is a bimodal distribution. Therefore, in this study, we estimated the parameters using a bimodal regression model. Our analysis shows that in the early stage of the outbreak, the infection spread to Asian countries that are close to China and to developed countries in Europe and the United States due to the movement of people by airplane. This finding is different from those of previous studies. We have also found that after the middle period of infection, cases spread to countries with large populations in Africa and South America.

    DOI: 10.20551/jscswabun.35.1_1

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  • Linear Discriminant Analysis Technique Based onTuning Parameters for Enhancing Discriminant Power Reviewed

    Myungjin Na, Sungho Moon, Koji Kurihara

    Proceedings of the 2015 International Workshop for JSCS 30th Anniversary in Okinawa   11 - 12   2015.10

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • Survey Study of Public Attitude towards Waste Disposal Facility Siting(共著) Reviewed

    Na Myungjin, Kurihara Koji

    Proceedings of 2008 Korea-Japan Statistics Conference of Young Researchers   2008.7

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    Authorship:Lead author   Language:English   Publishing type:Research paper (international conference proceedings)  

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  • OPTIMAL ALLOCATION OF FINAL WASTE DISPOSAL SITES BASED ON PHYSICAL AND SOCIAL FACTORS(共著) Reviewed

    Myungjin NA, Koji KURIHARA and Naokazu GION

    Journal of Environmental Science for Sustainable Society   1   25 - 32   2007.3

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    Authorship:Lead author   Language:English   Publishing type:Research paper (scientific journal)  

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  • Optimal Allocation of final waste disposal sites based on physical and social factors Reviewed

    M. Na, K. Kurihara, N. Gion

    Journal of Environmental Science for Sustainable Society   1   25 - 32   2007

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MISC

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Presentations

  • 時間依存型共変量を考慮したCox比例ハザードモデルによるプロ野球選手登録期間の分析

    樋口 史, 羅 明振, 栗原考次

    2021年度日本分類学会シンポジウム  2021.12.11 

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    Event date: 2021.12.11 - 2021.12.12

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 2成分混合回帰モデルを用いたCOVID-19初感染までの時間に影響を与える要因の分析

    橋正憲, 羅 明振, 栗原考次

    2020年度日本分類学会シンポジウム  2021.3.21  日本分類学会

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    Event date: 2021.3.21

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:松江テルサ(島根県)  

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  • ファストファッションに関する購買行動における要因の分析

    藤原美佳, 羅明振, 石岡文生, 栗原考次

    2019年度日本分類学会シンポジウム  日本分類学会

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    Event date: 2019.12.14 - 2019.12.15

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:北九州国際会議場  

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  • 法と統計学

    羅 明振

    第8回 多摩データサイエンス研究会 

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    Event date: 2017.2.19

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • Linear Discriminant Analysis Technique Based on Tuning Parameters for Enhancing Discriminant International conference

    Myungjin Na, Sungho Moon, Koji Kurihara

    2015 International Workshop for JSCS 30th Anniversary in Okinawa  Japanese Society of Computational Statistics

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    Event date: 2015.10.30 - 2015.10.31

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Okinawa Institute of Science and Technology Graduate University (OIST)  

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  • チューニングパラメタに基づく判別分析法

    羅明振, 栗原考次

    日本計計算機統計学会 第28回シンポジウム  日本計算機統計学会

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    Event date: 2014.11.14 - 2014.11.15

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:沖縄科学 技術大院沖縄科学 技術大院沖縄科学 技術大院沖縄科学 技術大院沖縄科学 技術大院沖  

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  • A Discriminant Classifier Based on Tuning Parameters Controlled by Cross-Validation method International conference

    Myungjin Na, Takahiro Tamura, Kuniyoshi Hayashi, Koji Kurihara

    Joint Meeting of the IASC Satellite Conference and the 8th Conference of the Asian Regional Section of the IASC  Asian Regional Section of the IASC

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    Event date: 2013.8.22 - 2013.8.23

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Yonsei University, Seoul, Korea  

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  • The Site Selection of Landfill Using Fuzzy Set and AHP Theory International conference

    Joint Meeting of the Korea-Japan Conference of Computational Statistics and the 25th Symposium of Japanese Society of Computational Statistics 

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    Event date: 2011.11.11 - 2011.11.12

    Language:English   Presentation type:Oral presentation (general)  

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  • 空間データを利用した最終処分場の立地選定

    羅明振, 栗原考次

    2011年度 統計関連学会連合大会  応用統計学会, 日本計算機統計学会, 日本計量生物学会, 日本行動計量学会, 日本統計学会, 日本分類学会

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    Event date: 2011.9.4 - 2011.9.7

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:九州大学 伊都キャンパス  

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  • 大学生の社会貢献・地域連携に対する意識

    羅 明振, 荒木勝, 栗原考次

    日本計算機統計学会 第25回大会  日本計算機統計学会

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    Event date: 2011.5.7 - 2011.5.8

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:函館市 亀田福祉センター  

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  • 一般廃棄物最終処分場の立地候補地の選定について

    羅 明振, 石岡文生, 文 勝浩, 栗原考次

    日本計算機統計学会第24回シンポジウム  日本計算機統計学会

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    Event date: 2010.11.11 - 2010.11.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:箕面市立メイプルホール  

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  • 階層分析法による最終処分場の立地評価

    羅 明振, 栗原 考次

    大分統計談話会 

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    Event date: 2009.2.5 - 2009.2.6

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:富士通大分システムラボラトリ 2階 AVホール  

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  • Survey Study of Public Attitude towards Waste Disposal Facility Siting International conference

    Myungjin Na, Koji KURIHARA

    2008 Korea-Japan Statistics Conference of Young Researchers  Korea University and Okayama University

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    Event date: 2008.7.10 - 2008.7.11

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Korea University, Seoul, Korea  

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  • A study on appropriate selection of final waste disposal sites

    M. Na, K. Kurihara

    JST Presto Symposium on Mathematical Sciences towards Environmental Problems June, 2008  Dept. of Mathematics, Hokkaido University

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    Event date: 2008.6.11 - 2008.6.13

    Language:English   Presentation type:Poster presentation  

    Venue:Hokkaido University  

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  • GISを用いた最終処分場の候補地立地選定

    羅 明振

    岡山大学21 世紀COE プログラム「循環型社会への戦略的廃棄物マネジメント」最終成果報告会  岡山大学21 世紀COE プログラム「循環型社会への戦略的廃棄物マネジメント」

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    Event date: 2008.3.18

    Language:Japanese   Presentation type:Poster presentation  

    Venue:岡山大学創立五十周年記念館  

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  • 最終処理場に対する住民の意識調査とその分析

    羅 明振

    平成19年度岡山大学学内教育COE「環境学と織るエコインフォマティクス」による講演会 

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    Event date: 2008.3.11

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • AHP法に基づいた最終処分場の最適立地選定 International conference

    羅 明振, 栗原 考次

    日本統計学会春季集会  日本統計学会春季集会

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    Event date: 2008.3.1

    Language:Japanese   Presentation type:Poster presentation  

    Venue:日本統計学会春季集会  

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  • 最終処分場の適切な立地選定に関する研究

    羅 明振, 栗原 考次

    2007年度新領域融合プロジェクトによる研究会「大規模データ・リンケージ、データマイニングと統計手法」 

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    Event date: 2008.1.28

    Language:Japanese   Presentation type:Oral presentation (general)  

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  • 物理的・社会的要因を考慮した最終処分場の最適配置問題

    羅 明振

    岡山大学21世紀COEプログラム「循環型社会への戦略的廃棄物マネジメント」平成18年度成果報告会  岡山大学,岡山大学21世紀COEプログラム「循環型社会への戦略的廃棄物マネジメント」

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    Event date: 2007.3.20

    Language:Japanese   Presentation type:Poster presentation  

    Venue:岡山大学創立50周年記念館  

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  • 一般廃棄物最終処分場における最適配置問題

    羅 明振

    岡山大学 21世紀COEプログラム「循環型社会への戦略的廃棄物マネジメント」平成17年度成果報告会  岡山大学,岡山大学21世紀COEプログラム「循環型社会への戦略的廃棄物マネジメント」

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    Event date: 2006.3.23

    Language:Japanese   Presentation type:Poster presentation  

    Venue:岡山大学創立五十周年記念館  

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Class subject in charge

  • Externship and Legal Clinic (2023academic year) special  - その他

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  • Consumer Law (2022academic year) Late  - 水2

  • Environmental Law (2022academic year) Late  - 月4

  • Intellectual Property Law I (2022academic year) Prophase  - 月3

  • Intellectual Property Law II (2022academic year) Late  - 金3

  • Social Security Law (2022academic year) Late  - 火4

  • Risk Management on Social Welfare (2022academic year) Late  - 火5

  • Tax Law (2022academic year) Concentration  - その他

  • Economic Criminal Law (2022academic year) Late  - 火5

  • Case Study on Economic Law (2022academic year) Late  - 木5

  • Economic Law(Antitrust Law)I (2022academic year) Prophase  - 木4

  • Economic Law (Antitrust Law)II (2022academic year) Late  - 木4

  • Anglo-American Law (2022academic year) Concentration  - その他

  • Public Administration (2022academic year) Late  - 木5

  • Administrative Law Seminar (2022academic year) Late  - 月3

  • Administrative Law (2022academic year) Prophase  - 火2

  • Introduction of Administrative Law (2022academic year) Prophase  - 木1

  • Introduction of Administrative Law (2022academic year) Prophase  - 木1

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  • Elemental Fact of Civil Law Seminar (2022academic year) Prophase  - 木2

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  • Information Statistics 1 (2021academic year) 1st semester  - 水1~2

  • Information Statistics 2 (2021academic year) Second semester  - 水1~2

  • Basic Mathematical and Data Sciences (2021academic year) Third semester  - 木7~8

  • Basic practice of Mathematical and Data Sciences (2021academic year) Fourth semester  - 木1~2

  • Introduction to Legal Interpretation (2021academic year) Prophase  - 木4

  • Information Statistics (2020academic year) 1st and 2nd semester  - 水1,水2

  • Information Statistics 1 (2020academic year) 1st semester  - 水1,水2

  • Information Statistics 2 (2020academic year) Second semester  - 水1,水2

  • Introduction to Legal Interpretation (2020academic year) Prophase  - 木4

  • Statistics I (2020academic year) Second semester  - 火3,金1,金2

  • Statistics I (2020academic year) Second semester  - 火3,金1,金2

  • Statistics I (2020academic year) Second semester  - 火3,金1,金2

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