Sunday, October 05, 2025
Education STEM

Color Codes Datafile and Dynamic, Interactive Patterns-Making (Python)

UPDATE: BONUS animation added at end of this post. In this post, I’ll demonstrate how to read color values (stored as Hex) from a data file and create dynamic patterns using those colors. Additionally, user can interact with it to choose different patterns, and even shuffle the same colors in different orders as they were […]

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Analytics Education STEM

How to treat Excel like a database to do complex SQL-like queries

One of the most under-utilized, most powerful query features come from Excel’s database functions. While primary usage of Excel is more as a traditional spreadsheet, and it myriad of formulas (and VBA macros), the database functions allow us to treat it like a database and query from its dataset much like SQL statements would from […]

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Analytics Education STEM Work

A Risk Assessment Map—my approach

I’ve seen many pretty risk assessment maps over time. The issue I see with most of them is that they’re more of an illustration than a method meaning, they’re customized visuals with manual graphics that don’t scale well for different projects. In the post, I’ll share my approach…it’s based on applying basic statistical concept, development […]

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Analytics Education STEM

Measuring and visualizing performance from raw transactions

Scenario We have transactional data for 3 months. We want to compare any month’s sales performance with our goals by category of products sold. The following information is available in one dataset: OrderID, Product, qty, price, date of order as they occurred. As we see below, they’re not tallied or grouped or sorted in any […]

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Analytics Education STEM

Using Stock Price Charts On Humans

Using the same dataset, I’ve shown in my earlier blog: Scattered Data To A Butterfly, Or A Tornado! https://flyingsalmon.net/blog/?p=2194 on how to present similar information visually and add interactivity, in this post, I’ll show other ways to present the information visually and walk through the pros and cons of each. I won’t be using any […]

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Analytics Education STEM

Organizing raw dataset to creating impactful, interactive visualizations (Excel, PowerBI)

In this post, I’ll walk through the steps starting with a raw dataset that’s organized differently from what I need, to reshaping the data using Excel formulas, and creating an interactive visualization using PowerBI, to publishing it online using PowerBI. Excel and PowerBI work hand-in-hand to solve such problems effectively, and efficiently. First, I’ll start […]

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