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Duration 14 hours
Course Outline
Overview of Power Query
- Exploring the Power Query interface
- Grasping the concept of queries and applied steps
- Navigating integrations with Power BI and Excel
Establishing Data Connections
- Importing data from Excel, CSV, and text files
- Managing folders and structured datasets
- Linking to online resources and database sources
Fundamentals of Data Cleaning
- Eliminating errors and duplicate entries
- Filtering, sorting, and reshaping data structures
- Addressing missing values effectively
Data Transformation and Shaping
- Splitting and merging column data
- Applying pivoting and unpivoting techniques
- Grouping data and performing aggregations
Query Combination Techniques
- Distinguishing between appending and merging queries
- Selecting appropriate join types and considering data structure
- Modeling datasets from multiple sources
Introduction to the M Language
- Comprehending M language formulas
- Modifying queries via the Advanced Editor
- Developing custom transformation scripts
Automation and Refresh Management
- Building reusable transformation workflows
- Setting up refresh schedules
- Overseeing dependencies and optimizing query performance
Advanced Methodologies
- Implementing parameters in queries
- Utilizing functions within the M language
- Best practices for designing scalable transformation pipelines
Recap and Future Directions
Requirements
- A foundational understanding of data operations within spreadsheets
- Hands-on experience with basic data analysis activities
- Familiarity with standard file formats, including CSV and Excel
Target Audience
- Data specialists tasked with cleaning and preparing datasets
- Business analysts managing recurring data processes
- Professionals involved in data reporting and workflow 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.