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Duration 14 hours
Course Outline
Introduction to Power Query
- Overview of the Power Query interface
- Understanding queries and applied steps
- Exploring integrations with Power BI and Excel
Connecting to Data Sources
- Importing data from Excel, CSV, and text files
- Handling folders and structured datasets
- Linking to online platforms and database sources
Data Cleaning Fundamentals
- Eliminating errors and duplicate records
- Filtering, sorting, and reshaping data
- Managing missing values
Transformations and Data Shaping
- Splitting and merging columns
- Performing pivot and unpivot operations
- Grouping and aggregating data points
Combining Queries
- Distinguishing between appending and merging queries
- Evaluating join types and data structure considerations
- Modeling datasets from multiple sources
Introduction to M Language
- Understanding M formulas
- Editing queries via the Advanced Editor
- Developing custom transformation logic
Automation and Refresh
- Building reusable transformation workflows
- Setting up refresh schedules
- Managing dependencies and optimizing query performance
Advanced Techniques
- Implementing parameters in queries
- Utilizing functions within M
- Best practices for designing scalable transformation pipelines
Summary and Next Steps
Requirements
- Foundational knowledge of spreadsheet-based data operations
- Experience with basic data analysis techniques
- Familiarity with common file formats, including CSV and Excel
Target Audience
- Data specialists responsible for cleaning and preparing datasets
- Business analysts managing recurring data workflows
- Professionals involved 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.