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Duration 14 hours
Course Outline
Overview of Power Query
- Exploration of the Power Query user interface
- Grasping the concepts of queries and applied steps
- Navigating the integration features with Power BI and Excel
Establishing Data Source Connections
- Importing data from Excel, CSV, and text files
- Handling folder-based and structured data collections
- Linking to online resources and database systems
Essentials of Data Cleaning
- Eliminating errors and redundant entries
- Filtering, sorting, and restructuring data formats
- Addressing missing values effectively
Data Transformation and Reshaping
- Techniques for splitting and consolidating columns
- Performing pivot and unpivot operations
- Applying grouping and aggregation methods
Integrating Multiple Queries
- Distinguishing between appending and merging queries
- Considering join types and underlying data structures
- Constructing models from multiple data sources
Fundamentals of M Language
- Comprehending M language formulas
- Modifying queries via the Advanced Editor
- Developing custom transformation scripts
Automation and Data Refresh
- Building reusable transformation pipelines
- Setting up automated refresh schedules
- Optimizing query dependencies and performance
Advanced Methodologies
- Implementing parameters within queries
- Leveraging functions within M language
- Applying best practices for scalable transformation architectures
Conclusion and Future Directions
Requirements
- Proficiency in spreadsheet-based data operations
- Hands-on experience with fundamental data analysis procedures
- Knowledge of standard file formats, including CSV and Excel
Target Audience
- Data professionals tasked with cleansing and preparing datasets
- Business analysts managing regular data processing workflows
- Individuals involved in data reporting and operational automation
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
Method of training.