works

廻船のプロフィール

Author: takayuki kaisen → in Japanese 廻船孝行
contact: ksn0215(at)gmail.com

GitHub: https://github.com/ksnt/
HP: http://ksnt.github.io/
Blog (English, {Tech, Sci, Biz}): https://medium.com/@ksnt
Blog (Japanese): https://ksnt.hatenablog.com/
SlideShare: https://www.slideshare.net/ksnt
Speaker Deck: https://speakerdeck.com/ksnt
LeetCode: https://leetcode.com/ksnt/, https://github.com/ksnt/leet
Qiita (Japanese, Tech): https://qiita.com/ksnt
Podcast (with Hideyuki Ogawa and Kozo Nishida): https://listen.style/p/hannariprog
Study Group: https://hannari-python.connpass.com/

As an Engineer(Data Analytics Specialist)

2025 July 1 - Now, Zeal, Group Manager (Technical Consulting)
2025 Apr 1 - Now, Zeal, Senior Manager (Technical Consulting)
2023 Oct 1 - 2025 Feb 13, Avanade, Consultant (Advanced Analytics)
2022 May 1 - 2023 Feb 28, Fracta, Senior Data Analyst
2021 Mar 1 - 2022 Apr 30, Fracta, Data Analyst

Publications

  1. 光をつかむとき
    Jun 1, 2023
    世田谷文学館
    PDF

Presentations

  1. データ分析者にとってのDjango: StreamlitやDashとの比較
    Sep 1, 2023
    DjangoCongress JP 2023

  2. データ分析で切り拓け！ エンジニアとしてのデータ分析職キャリア戦略
    Jun 25, 2022
    Open seminar Hiroshima 2022

  3. Pythonの広がりとこれからのPython
    令和２年度実践的放射線治療人材育成セミナーPython講習会・初級編
    Feb 14 2021

  4. Pythonで挑む計算社会科学 (English: Trying to research on Computational Social Science)
    Pycon mini Hiroshima 2020
    Oct 10 2020
    Slides

  5. 広島における地域Pythonコミュニティの立ち上げ方と続け方 (English: How to start and keep going local Python community in Hiroshima)
    Remark) I am a co-speaker.
    PyCon JP 2020
    Aug 29 2020
    Slides
    Movie

  6. Pythonでアルゴレイヴの世界に足を踏み入れる (English: Introduction to Algorave with Python)
    Pycon mini Hiroshima 2019
    Oct 12 2019
    Repository
    Slides

  7. Introduction to Data Science in Python （Visualization ver.）
    Pycon mini Hiroshima 2018
    Oct 6 2018
    Repository
    Slides

  8. Connection Between Aims of ICT Use and Social Participation - An Empirical Approach from The Social Capital Perspective
    R study meeting for sociology at Tokyo Metropolitan University
    Oct 7 2012

Application

  1. Atomic Bomb Trees Map in Hiroshima (This might be not working)
    https://hiroshima-atomic-bomb-trees-ehyvmcocra-as.a.run.app/

  2. Visualization of land assessments and crime rate in Osaka
    Python3, pydeck, Streamlit, Google App Engine
    Aug 2020
    Presented at PyCon JP 2020

  3. Global Terrorism Data Analysis
    Python3, Plotly Dash, Google App Engine
    Jan 2019
    Demo Video
    Deployed Application ※This app might be disabled to save cost!

  4. Image Sharing App
    (Note) If I could, I would like to deploy somewhere
    Meteor.js, HTML, CSS
    Nov 2018
    Deployed Application
    Portofolio
    Demo VIdeo
    Repository

  5. Montecarlo Simulator
    Python3, Dash, Heroku
    Oct 2018
    Repository
    Deployed Application

Library

  1. GeoSpatial Earth Data analysis in R (gsedr) library
    R, tydyverse,leaflet,ggplot2,Travis CI
    2017
    Repository

Data Analysis

  1. Measurement of Justice in Boston - “Data Science for Good: Center for Policing Equity” in Kaggle
    Python3, Pandas, Geopandas, Plotly
    Dec 2018
    Kernel

  2. Development of GIS for visualization and predictor of blight in Detroit
    2018
    Repository

  3. Analysis of the Effect of Global Terrorism on Finance (Prototype)
    2017
    Repository

  4. How can we increase revenue from Catch the Pink Flamingo?
    2016
    Part of Final Achievement

Lectures & Tutorials

  1. オープンデータを使って、Pythonでデータ分析 (English: Data Analysis with Python using Open Data)
    (Remark) I am one of five lecturers.
    PyCon JP 2020
    Aug 30 2020
    Repository

Translation

  1. Translation of Dash framework English tutorial into Japanese
    Repository

Peer review of books

  1. Python Data Visualization (in Web+DB Press vol.118 2020)

MISC

  1. Achievement in a Data-Hackathon as a team (I worked as an engineer.)
    Slides
    QGIS file
    XD file

  2. Achievement in Hiroshima Engineers Hackathon Vol.1 as Team D
    Repository

  3. Code Snippets of programs on ML
    Repository

Others

You might be able to find other projects in my LinkedIn page