Learn Power BI - Complete Overview

Learn Power BI. Follow the Power BI Complete Overview to learn how to expand your data analytic knowledge.

Here’s a comprehensive outline for learning Power BI, suitable for beginners to intermediate users:

What is Power BI?
- Overview of Power BI
- Components: Power BI Desktop, Service, and Mobile
Why Use Power BI?
- Benefits and use cases
Installing Power BI Desktop
- System requirements
- Step-by-step installation process

Navigating the Interface
- Overview of the Power BI Desktop UI
- Key panes: Report, Data, and Model
Understanding Basic Concepts
- Datasets, Reports, and Dashboards
- Importing vs. Direct Query
Connecting to Data Sources
- Supported data sources
- Connecting to Excel, CSV, databases, and online services

Using Power Query Editor
- Overview of the Power Query interface
- Loading and previewing data
Data Cleaning
- Removing duplicates
- Splitting and merging columns
- Filtering rows
Data Transformation
- Changing data types
- Adding calculated columns
- Pivoting and unpivoting data
Merging and Appending Queries
- Combining multiple datasets
- Managing relationships between data sources

Understanding Data Models
- Basics of star schema and snowflake schema
- Importance of relationships
Creating Relationships
- Cardinality: one-to-one, one-to-many
- Cross-filtering direction
Using DAX (Data Analysis Expressions)
- Calculated columns vs. measures
- Common DAX functions:
  - Aggregation (SUM, AVERAGE)
  - Logical (IF, SWITCH)
  - Time intelligence (YTD, QTD)
Optimizing Data Models
- Managing relationships
- Performance tips

Creating Basic Visualizations
- Tables and matrices
- Bar and column charts
- Line charts
- Pie and donut charts
Interactive Visuals
- Slicers
- Filters (report, page, visual level)
- Drill-through pages
Advanced Visualizations
- Maps and geographical charts
- Scatter plots and bubble charts
- Custom visuals from AppSource
Design Best Practices
- Choosing the right chart
- Color schemes and themes
- Layout and alignment tips

Publishing Reports
- Saving locally vs. publishing to the Power BI Service
Creating Dashboards
- Pinning visuals to dashboards
- Adding tiles (text, web content)
Sharing and Collaboration
- Sharing dashboards and reports
- Managing permissions
Using Power BI Mobile
- Overview of the mobile app
- Accessing reports and dashboards on mobile

Power BI Service Features
- Dataflows
- Scheduled refresh
Row-Level Security (RLS)
- Setting up roles
- Applying filters for different users
Embedding and Integrations
- Embedding Power BI in applications
- Integrating with other tools (Excel, Teams, SharePoint)
Advanced Analytics
- Forecasting
- Using Python or R scripts

Building End-to-End Projects
- Gathering requirements
- Data preparation
- Creating visualizations
- Publishing and sharing
Sample Project Ideas
- Sales performance dashboard
- HR analytics
- Financial performance reporting