Saturday, October 04, 2025
Analytics Coding STEM

Scattered Data to a Butterfly, or a Tornado!

What do butterflies and tornadoes have in common? 🙂 Butterfly charts aka Tornado charts are a special type of Bar chart where the data categories are listed vertically instead of the usual horizontal layout. It’s suitable for comparing different variables between two groups (e.g. male/female, apartment/house, car/boat, etc. etc.) and what variables you measure is […]

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Coding Education STEM

Interactive Text-To-Speech App with Presidents of USA (Python)

In this blog, I’ll discuss how to build an interactive lookup of data and have the results spoken back to you in human language. Specifically, I have a list of all POTUS to-date in a file (Excel, CSV, Text…they’ll work without any code design change). I want to be able to lookup the very first […]

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Analytics Coding STEM

Data extraction with multiple criteria with interactive UI

Imagine we are business owners who provide a range of services. We have a large set of customer data but we  really want to target those customers who might be interested in your services. We want to extract only that subset of data based on our services. And since we provide multiple, diverse services the […]

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Coding STEM

Air-quality GUI Application Using Webservices (Python)

This is a complete GUI application in Python to retrieve air quality information based on a zipcode (within USA). It utilizes the following concepts: Using tkinter library for GUI Calling a webservice Parsing JSON payload Formatting date and UI controls (input box, button, label, will dynamic updates) How to name your application title, attaching your […]

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