Power BI Guide: Data Cleaning, DAX Formulas, and Dashboard Design

“Data is rarely clean. It’s duplicated, inconsistent, poorly structured, and sometimes misleading. Yet decisions worth millions depend on it.” In this article we are going to learn to turn messy data into actionable insights i.e: Data Cleaning , Data Analysis Expressions(DAX) formulas and Dashboard Design . We are going to achieve this by using Power BI. What is Power BI? Power BI is Microsoft's business analytics platform that helps you turn data into actionable insights. Whether you're a business user, report creator, or developer, Power BI offers integrated tools and services to connect, visualize, and share data across your organization. For a deeper dive into Power BI tool, I will point you to Microsoft official article: https://learn.microsoft.com/en-us/power-bi/fundamentals/power-bi-overview Data Cleaning Also called data cleansing or data scrubbing , is the process of identifying and correcting errors and inconsistencies in raw datasets to improve data quality, this ensures a d