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Duration 14 hours
Course Outline
Introduction to Power Query
- Overview of the Power Query interface
- Grasping the concepts of queries and applied steps
- Exploring integrations with Power BI and Excel
Establishing Data Source Connections
- Importing Excel, CSV, and text-based files
- Handling folders and structured datasets
- Linking to online and database resources
Foundations of Data Cleaning
- Eliminating errors and duplicate entries
- Filtering, sorting, and structuring data
- Addressing missing values effectively
Data Transformation and Shaping
- Splitting and merging column data
- Applying pivot and unpivot operations
- Grouping and aggregating information
Merging and Combining Queries
- Distinguishing between appending and merging queries
- Evaluating join types and data structural implications
- Structuring datasets from multiple sources
Getting Started with the M Language
- Comprehending M formulas
- Modifying queries through the Advanced Editor
- Developing custom transformation rules
Automation and Data Refresh
- Building reusable transformation workflows
- Setting up refresh schedules
- Overseeing dependencies and optimizing query performance
Advanced Methodologies
- Implementing query parameters
- Utilizing functions within the M language
- Adhering to best practices for scalable transformation pipelines
Conclusion and Future Directions
Requirements
- A solid grasp of spreadsheet-based data operations
- Practical experience with fundamental data analysis tasks
- Familiarity with standard file formats, including CSV and Excel
Target Audience
- Data specialists required to cleanse and prepare datasets
- Business analysts managing recurring data workflows
- Professionals engaged in data reporting and process 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.