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Showing posts with the label Anmol Raj

Power BI Learning Series Day 1: Understanding the Complete Power BI Workflow

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As a beginner in Data Analytics , I realized one important thing: Most people directly jump into creating charts and dashboards in Power BI . But the real strength of a dashboard comes from understanding how data actually flows inside Power BI. So before building visualizations, it’s important to understand the complete Power BI workflow step by step. --- What is the Power BI Workflow? The basic Power BI workflow looks like this: Raw Data → Power Query → Data Model → DAX → Visualization → Dashboard Let’s understand each step in a simple way. --- 1. Raw Data Everything starts with raw data. This data can come from: Excel files CSV files SQL databases APIs Websites Cloud platforms Raw data is usually messy and unorganized. --- 2. Power Query Power Query is used for: Cleaning data Removing errors Handling null values Changing data types Transforming tables This is one of the most important steps because clean data creates better dashboards. --- 3. Data Model After cleaning the data, ...