Data Visualization

Beyond the Flat Table: Constructing an Enterprise-Grade Financial Model in Power BI

there: You open Power BI, drag a messy Excel sheet into the canvas, and begin dropping charts until something looks “right.” It’s easy, it’s intuitive, and truthfully, that’s why Power BI is one...

The Real Challenge in Data Storytelling: Getting Buy-In for Simplicity

, I’ve at all times had a knack for data storytelling. You already know, finding the patterns and constructing visuals that really made sense. I’d learned the principles, and truthfully, I believed I had all...

4 Ways to Supercharge Your Data Science Workflow with Google AI Studio

Gemini 3 models into Google AI Studio, I’ve been experimenting with it quite a bit. In reality, I find the concept of generative UI surprisingly useful for data scientists to streamline day-to-day work. On this...

Geospatial exploratory data evaluation with GeoPandas and DuckDB

this text, I’ll show you learn how to use two popular Python libraries to perform some geospatial evaluation of traffic accident data inside the UK. I used to be a comparatively early adopter of...

The Machine Learning “Advent Calendar” Day 3: GNB, LDA and QDA in Excel

working with k-NN (k-NN regressor and k-NN classifier), we all know that the k-NN approach could be very naive. It keeps your entire training dataset in memory, relies on raw distances, and doesn't...

The Machine Learning “Advent Calendar” Day 5: GMM in Excel

Within the previous article, we explored distance-based clustering with K-Means. further: to enhance how the gap could be measured we add variance, with the intention to get the Mahalanobis distance. So, if k-Means is the...

Metric Deception: When Your Best KPIs Hide Your Worst Failures

of Green Dashboards Metrics bring order to chaos, or not less than, that’s what we assume. They summarise multi-dimensional behaviour into consumable signals, clicks into conversions, latency into availability and impressions into ROI. Nonetheless,...

I Cleaned a Messy CSV File Using Pandas .  Here’s the Exact Process I Follow Every Time.

perfect. You’re going to come across plenty of data inconsistencies. Nulls, negative values, string inconsistencies, etc. If these aren’t handled early in your data evaluation workflow, querying and analysing your data could be...

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