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John Loewen, PhD

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John Loewen, PhD

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Jul 9, 2025

4 Simple Data Storytelling Methods That Will Make You A Hero

Exploring Alberto Cairo’s ideas on choosing the right data viz tools

4 Simple Data Storytelling Methods That Will Make You A Hero

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John Loewen, PhD

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Dec 15, 2023

I Bought a One Way Ticket to Nowhere— And Met My Wife!

Sometimes risk in life brings great reward.

I Bought a One Way Ticket to Nowhere— And Met My Wife!

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Feb 25, 2025

How Python Voila Can Be Your New Killer Visualization Superpower

Creating public dashboards with Viola and Jupyter Notebooks

How Python Voila Can Be Your New Killer Visualization Superpower

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Towards AI

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John Loewen, PhD

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Jan 7, 2025

GPT-4o Python Charting Insanity: Prompting For Instant Data Visuals

Hands-on no-code visuals from the UN population projection dataset

GPT-4o Python Charting Insanity: Prompting For Instant Data Visuals

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John Loewen, PhD

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Mar 19, 2024

Why Data Storytelling is Your New Superpower

Blending numbers with knowledge for effective storytelling

Why Data Storytelling is Your New Superpower

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2d ago

Expert Axis Scaling: How to Display Devastating World Climate Dataviz

Python tutorial on y-axis design decisions with global CO2 data

Expert Axis Scaling: How to Display Devastating World Climate Dataviz

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3d ago

How To Map Ocean Plastic By Country: Shocking Results With Python

A step by step Python tutorial on visualizing ocean waste

How To Map Ocean Plastic By Country: Shocking Results With Python

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4d ago

Its The Chart That Changed Energy History: Why Nobody In the World Cares

A Python title generation tutorial with renewable energy data

Its The Chart That Changed Energy History: Why Nobody In the World Cares

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5d ago

How To With Streamlit: Correlating Hidden Statistics on World Diabetes

A Python Streamlit tutorial exploring global health statistics

How To With Streamlit: Correlating Hidden Statistics on World Diabetes

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Nov 6

The Slope Chart Principle: How To Reveal Surprising Stats On 25 Years Of World Urbanization

A Python tutorial using World Bank urban population data

The Slope Chart Principle: How To Reveal Surprising Stats On 25 Years Of World Urbanization

John Loewen, PhD

John Loewen, PhD

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35x Boosted writer || 25 years Comp Sci prof || Writes about Data Science (Python/AI/dataviz) || More on my Substack: johnloewen.substack.com

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