Analytics Education STEM

Animating Charts in Excel and beyond

Some time ago I demonstrated how to create Time-lapse animations in Excel in my post here. Part of that procedure utilized a short-lived but cool feature called ‘PowerView’. Unfortunately, as of late 2021, Microsoft has removed support for PowerView in Excel (that made this time-lapse animation possible) and instead is encouraging users to use PowerBI […]

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Coding Education STEM

Companion Code Handbook for Hello Arduino! Published

Greetings readers. I have just published (live on Feb 10th) the paperbook book: Companion Code Handbook: Hello Arduino! This companion book is a handy reference with complete source code with comments for all projects detailed in the book Hello Arduino! This is a printed version of all source code required for completing all projects (and […]

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Analytics Coding Education STEM

Decision Tree and Prediction (Python)

This is an example of a Decision Tree model (very useful and popular method) to make prediction using the power of Machine Learning…using just a normal PC. Here we predict salary (depedendent variable) by giving various types of criteria (different forks in a decision tree). e.g. What’s the salary of a particular gender, of some […]

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Coding Education STEM

General Tree Data Structure – Python

In this post, I’ll demonstrate implementation of what’s known as a General Tree (not binary tree…that’ll be discussed soon in a different post)…it’s a unique data structure that Queue or Stacks cannot easily handle or at all. The key characteristic of this DS is that it allows for hierarchical data representation and relationships…think, taxonomy. Real-world […]

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