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Duration 14 hours
Course Outline
Getting Started with Power Query
- An overview of the Power Query interface
- Grasping the concept of queries and applied steps
- Navigating the integration features within Power BI and Excel
Establishing Data Source Connections
- Importing data from Excel, CSV, and text files
- Processing folders and structured datasets
- Connecting to online services and database sources
Essentials of Data Cleaning
- Eliminating errors and duplicate entries
- Filtering, sorting, and reshaping data structures
- Addressing and handling missing values
Data Transformation and Shaping
- Techniques for splitting and merging columns
- Applying pivot and unpivot operations
- Grouping records and aggregating data
Integrating Queries
- Distinguishing between appending and merging queries
- Selecting appropriate join types and considering data structure implications
- Modeling datasets derived from multiple sources
Exploring the M Language
- Understanding the syntax and logic of M formulas
- Modifying queries via the Advanced Editor
- Crafting custom transformation scripts
Automating Refreshes
- Designing reusable transformation workflows
- Setting up automated refresh schedules
- Optimizing query performance and managing dependencies
Advanced Methodologies
- Implementing parameters in queries
- Utilizing functions within the M language
- Adopting best practices for scalable transformation pipelines
Recap and Future Directions
Requirements
- A foundational understanding of spreadsheet-based data operations
- Basic experience with routine data analysis activities
- Familiarity with standard file formats, including CSV and Excel
Target Audience
- Data professionals tasked with cleaning and preparing datasets
- Business analysts managing recurring data workflows
- Individuals involved in data reporting and process automation initiatives
Testimonials (2)
How to use relationships in Power BIand the differences between columns and measurements
LEUNG Chun Hei - HAESL
Course - Advanced Power BI: Data Modeling, DAX, and Enhanced Analytics
The basic structure of Power BI, its main functions, as well as some advanced functions