Module 1 Summary: Begin with Power BI

Module 1 Summary: Begin with Power BI

Module 1 Summary: Begin with Power BI

Recap with Raushan

Module 1: Begin with Power BI - Quick Recap

Lesson 1: Getting Started with Power BI

◉ Why Data Analysis: Explored the significance of data analysis for informed decisions and different types of analysis (Descriptive, Diagnostic, Predictive, Prescriptive).
◉ Role of Data Analyst: Defined the Data Analyst's responsibilities in the data lifecycle: prepare, model, visualization, analyse, and manage.
◉ Workflow of Data Analyst with Power BI: Outlined the typical data analysis process using Power BI: Data Acquisition, Transformation (ETL), Modeling, Analysis (DAX), Visualization, and Sharing & Collaboration.

Lesson 2: Getting Data from Multiple Sources

◉ Understanding Data Sources: Identified various locations where data can be found, including databases, spreadsheets, cloud platforms, and web sources.
◉ Data Connectivity Mode: Learned about the three key modes for connecting to data:
  • ◉ Import: In-memory data for speed, requires refresh.
  • ◉ DirectQuery: Real-time queries to the source, suitable for large/live data.
  • ◉ Live Connection: Connects to existing Power BI datasets/Analysis Services models.
◉ Connectors: Understood that Power BI uses built-in connectors to simplify connections to diverse data sources.

Lesson 3: Resolve Data Import Errors

◉ Web Authentication and Loading Tables: Discussed handling authentication for web data and techniques for correctly loading tables from web pages.
◉ Resolving Data Load Errors: Covered common causes like data type issues and missing columns, and troubleshooting steps involving error messages and Power Query inspection.
◉ Resolving Data Path Errors: Focused on addressing errors when Power BI can't locate file-based data, emphasizing path verification and updates.
◉ Resolving Refresh Errors: Addressed issues preventing data updates, particularly in the Power BI Service, including credential problems and gateway configurations.

Congratulations on completing Module 1: Begin with Power BI! You now have a solid foundation to start working with data in Power BI. Get ready for **Module 2: Preparing Data in Power BI**, where we'll dive into cleaning and transforming your data for effective analysis.

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Raushan Ranjan
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