Data Analysis Books - ресурсы

✅ Power BI Basics 📊🚀 👉 Power BI is one of the most popular Business Intelligence BI tools used for: ✔ Data visualization ✔ Dashboard creation ✔ Business reporting It is widely used by: ✔ Data Analysts ✔ Business Analysts ✔ Data Scientists 🔹 1. What is Power BI? Power BI is a Microsoft tool used to transform raw data into: 📊 Interactive dashboards 📈 Reports 📉 Visual insights 🔥 2. Components of Power BI ✅ Power BI Desktop 👉 Used to create reports & dashboards. ✅ Power BI Service 👉 Cloud platform for sharing reports online. ✅ Power BI Mobile 👉 Access dashboards on mobile devices. 🔹 3. Power BI Workflow ⭐ Data → Cleaning → Modeling → Visualization → Dashboard → Sharing 🔹 4. Connecting Data Sources Power BI can connect with: ✔ Excel ✔ SQL Database ✔ CSV Files ✔ APIs ✔ Cloud services 🔹 5. Power Query Data Cleaning Used for: ✔ Removing duplicates ✔ Changing data types ✔ Filtering rows ✔ Merging data 👉 Similar to data cleaning in Pandas. 🔹 6. Data Modeling 👉 Relationships between tables. Examples: ✔ One-to-Many ✔ Many-to-One 🔥 7. Visualizations in Power BI Popular visuals: ✔ Bar Chart ✔ Line Chart ✔ Pie Chart ✔ Table ✔ KPI Cards ✔ Maps 🔹 8. DAX Data Analysis Expressions DAX is the formula language of Power BI. Example: Total Sales = SUM(Sales[Amount]) 🔹 9. Why Power BI is Important? ✔ Highly demanded skill ✔ Used in real companies ✔ Important for dashboards & reporting ✔ Great for storytelling with data 🎯 Today’s Goal ✔ Understand Power BI basics ✔ Learn workflow ✔ Understand Power Query & DAX ✔ Learn dashboard concepts Power BI Resources: Ссылка скрыта 💬 Tap ❤️ for more!