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Duration 14 hours
Course Outline
Introduction to Power Query
- Overview of the Power Query interface
- Comprehending queries and applied steps
- Exploring integrations with Power BI and Excel
Linking to Data Sources
- Ingesting Excel, CSV, and text files
- Handling folders and structured datasets
- Establishing connections to online and database sources
Essentials of Data Cleansing
- Eliminating errors and duplicate entries
- Filtering, sorting, and restructuring data
- Addressing missing values
Data Transformation and Shaping
- Dividing and combining columns
- Executing pivoting and unpivoting operations
- Grouping and aggregating data points
Query Consolidation
- Distinguishing between appending and merging queries
- Understanding join types and structural considerations
- Modelling datasets from multiple sources
Getting Started with M Language
- Grasping M formulas
- Modifying queries via the Advanced Editor
- Developing custom transformation scripts
Automation and Refresh Mechanisms
- Designing reusable transformation workflows
- Setting up refresh schedules
- Overseeing dependencies and optimising query performance
Advanced Methodologies
- Implementing query parameters
- Utilising M functions
- Adopting best practices for scalable transformation pipelines
Recap and Future Steps
Requirements
- Basic knowledge of spreadsheet-based data operations
- Prior experience with fundamental data analysis activities
- Familiarity with standard file formats like CSV and Excel
Target Audience
- Data specialists required to cleanse and ready datasets
- Business analysts managing recurring data processes
- Individuals 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.