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 Duration 14 hours

Course Outline

Overview of Power Query Capabilities

  • Examination of the Power Query user interface
  • Review of query architecture and applied steps
  • Navigation of integrations within Power BI and Excel environments

Establishing Data Source Connections

  • Ingestion of Excel, CSV, and text file formats
  • Management of folder structures and standardized datasets
  • Configuration of connections to online services and database systems

Core Principles of Data Cleaning

  • Elimination of errors and redundant records
  • Application of filtering, sorting, and structural adjustments
  • Handling of null or missing data entries

Data Transformation and Shaping Procedures

  • Division and consolidation of column data
  • Execution of pivot and unpivot operations
  • Implementation of grouping and aggregation strategies

Integration of Multiple Queries

  • Distinction between append and merge methodologies
  • Analysis of join types and data structural alignment
  • Construction of models utilizing diverse data sources

Fundamentals of the M Language

  • Interpretation of M language syntax and formulas
  • Modification of queries via the Advanced Editor
  • Development of bespoke transformation logic

Automation and Data Refresh Protocols

  • Design of reusable transformation workflows for government operations
  • Setup of scheduled refresh intervals
  • Oversight of dependencies and query performance metrics

Advanced Methodologies

  • Implementation of query parameters
  • Application of functional constructs in M
  • Adherence to best practices for scalable data pipelines

Conclusion and Recommended Pathways

Requirements

  • Proficiency in spreadsheet-based data management
  • Practical experience with foundational data analysis tasks
  • Familiarity with standard file formats, including CSV and Excel

Target Audience

  • Data specialists requiring the cleansing and preparation of datasets
  • Business analysts managing recurring data workflows
  • Personnel engaged in data reporting and process automation

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