dax

The Hidden €131K Loss: A European Logistics Company’s Data Analysis Story

Francesco Stara HomeHome ProjectsProgetti BI Developer & AnalystBI Developer e Analyst Freelance · LogisticsFreelance · Logistica PythonPower BIDAXStar schema ProblemProblema Shipment data spread across 15+ Excel files, cost figures corrupted by decimal formatting errors, no unique route identifiers, and multi-country…

From Google Sheets to Power BI: Building a Scalable Sales Funnel Dashboard

Francesco Stara HomeHome ProjectsProgetti BI DeveloperBI Developer Freelance · Sales operationsFreelance · Sales operations Power BIPower Query (M)DAXGoogle Sheets ProblemProblema An entire sales pipeline tracked by hand across three disconnected Google Sheets — leads, deals, payments — with no relational…

Mastering DAX for Advanced HR Analytics in Power BI

This is the second part of a 3 parts project, you can find the full project here. In the first part of this series, we built a robust Power BI data model to analyze employee attrition and satisfaction trends. Now,…

Understanding Row-Level Security in Power BI: Dynamic vs. Static

In today’s data-driven world, organizations rely on analytics tools like Power BI to derive actionable insights from vast datasets. However, the accessibility of this data comes with a critical challenge: ensuring that users can only view the data they are…

Spain: Gas Stations (Gasolineras)

This project focuses on the analysis of gas stations across all provinces in Spain, using a dataset extracted from the official Spanish government portal dedicated to energy infrastructures. The data was obtained in September 2024 from the Gas Stations Geoportal,…