Welcome to my egregious website! Posts, projects, images and information about me..
Warning: It’s pretty egregious
Informational note: Best podcast ever Perhaps It’s You - an unofficial Unsolved Mysteries re-watch podcast (NSFW) available on every worthwhile audio platform

Recent Posts

Abstractions

Cellular automata programmed to simulate actual cellular travel patterns
Last updated on Oct 3, 2020 1 min read Generative
Abstractions

Hysterical Squares

Rotation of rectangles in a grid using a general pattern for simulated hysteresis. This almost entirely derivative effort is a tweak code provided by @quantixed in their post Turn A Square: generative aRt.
Last updated on Oct 3, 2020 3 min read R Programming

Projects

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All Data Visualization Images

baby names

Data visualization of US baby name popularity [links to external page]

animated mandala app

Shiny app creates animated mandala patterns based on voronoi regions - configured by radius, palette, points [links to external app]

color palette app

Shiny app uses k-means clustering to display a color palette from an uploaded image [links to external app]

animated gif map

Coding travel locations into an animated gif of maps by year [links to external page]

Popular Topics and Tags

Cellular Automata DataVisualization Generative Images R Programming Travel

Image Gallery

Travel

Travel Locations Over the Years
Istanbul
Bangkok
Olympia Park

Generative Images

Histerical Squares
Voronoi Spiral Sunflower
Abstract

Biography

John Walker is a data analyst, student and volunteer. Previous life in banking technology, performed systems integration, development & delivery project management and program management office (PMO) roles.

Actively seeking assignments - Happy to consider pro bono work for non-profits

Based over the years in Paris, London, Tokyo and Chicago - delivered projects in 12 countries

Current activities:

  • Data Analysis & Visualization
  • Generative Images
  • Volunteer Tutoring

Education

  • BSCS, 1977

    Northwestern University

Skills

R Programming

#Rstats

Data Visualization

#dataviz

Project Management & PMOs

Interests

Photography

Food

Travel

Recent Certificates

COVID-19 Contact Tracing

Coursera - Johns Hopkins University Jul 2020
Public Health | Epidemiology | Contact Tracing
See certificate

Mastering Software Development in R

Coursera - Johns Hopkins University Oct 2017 – Mar 2018
R Packages | Advanced R Programming | Data Visualization Tools
See certificate

Process Mining: Data science in Action

Coursera - Eindhoven University of Technology Jan 2017
Process analysis meets data analysis - visualization and modeling for process improvement
See certificate

Data Science Specialization

Coursera - Johns Hopkins University Oct 2015 – Apr 2016
Data Analysis | Inference & Machine Learning | Reproducible Research
See certificate

Volunteering

 
 
 
 
 

Computer Science Tutor

TEALS

Oct 2018 – May 2019 Corpus Christie, TX
Computer Science AP homework & programming help
 
 
 
 
 

Computer Trainer

People’s Resource Center (PRC)

Oct 2017 – Present Wheaton, IL
Adult computer training (currently virtual)
 
 
 
 
 

Tutor

Glen Ellyn Children’s Resource Center (GECRC)

Aug 2016 – Present Glen Ellyn, IL
After school homework help at Churchill Grade School and Hadley Jr High

Work Experience

 
 
 
 
 

Payments Center of Competence

IBM

Jun 2008 – Dec 2015 Chicago

Part of a global team to support IBM projects including:

  • Bank-wide transformation in Istanbul
  • Bank modernizations in Kuala-Lumpur, Bangkok & Montreal
  • International payments integration for a bank in Beijing
 
 
 
 
 

Development PM / Delivery PM / Client Principal

Internet Systems Corporation

Oct 1981 – Apr 2000 Chicago, London, Tokyo
  • Managed development of a payments & settlements application
  • Managed client deliveries
  • Clients included Deutsche Bank, ING, NatWest, FRBNY, Sumitomo Trust
 
 
 
 
 

Technology Program Manager

JP Morgan Chase, Bank One, First Chicago

Oct 1979 – Jun 2008 Chicago, Paris
  • Application merger for JPMC/Bank One Capital Markets
  • Treasury Services delivery manager - corporate payments
  • Development Project Manager for Loans & Deposits
  • Programmer Analyst for FX & Money Market

FAQ

Answers to your most Frequently Asked Questions

  • No, 💥 that could be pretty dangerous 🔥
  • If we’re going with an infinite universes interpretation, then Yes 🌎 🐙
  • According to sources on set at the time, Murray improvised the line to cover the fact that the groundhog (which he was holding on his lap) was agitated and trying to escape by climbing over the steering wheel.
  • Hadn’t realized that. Thank you for pointing it out. 😊

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