Connecting to data sources and importing: This skill involves the ability to connect Power BI to various data sources such as databases, spreadsheets, and online services, and import data into Power BI. It is important to measure this skill in the test to ensure that candidates are proficient in gathering data from different sources, a crucial step in creating insightful Power BI reports.
Data wrangling and transformations: This skill focuses on the ability to clean and transform data within Power BI, including tasks such as filtering, sorting, merging, and shaping data. Testing this skill ensures that candidates can effectively manipulate data to meet the requirements of their analysis and reporting.
Data models: This skill involves creating efficient and optimized data models within Power BI, including defining relationships between tables, creating hierarchies, and setting up measures. By measuring this skill, recruiters can evaluate a candidate's understanding of how to structure data for optimal performance and analysis in Power BI.
DAX formulas: This skill assesses a candidate's knowledge of using the Data Analysis Expressions (DAX) language in Power BI to create calculated columns, measures, and other calculations. DAX formulas are essential for performing complex calculations and aggregations in Power BI, making it crucial to measure this skill in the assessment.
Themes and visualization: This skill focuses on the ability to apply visual themes and create visually appealing and effective visualizations in Power BI. It is important to measure this skill as it ensures that candidates can design and present data in a visually appealing and meaningful way, enhancing the user experience of Power BI reports.
Interactive reports: This skill measures a candidate's proficiency in creating interactive reports in Power BI, including using features such as drill-through, bookmarks, and report navigation. Testing this skill ensures that candidates can create dynamic and user-friendly reports that allow for effective data exploration and analysis.
Publishing and sharing: This skill assesses a candidate's ability to publish and share Power BI reports with others, including sharing reports through the Power BI service, embedding reports in other applications, and managing permissions. Measuring this skill ensures that candidates are familiar with the process of making their Power BI reports accessible and shareable to stakeholders.
Power BI Desktop: This skill covers the overall proficiency of a candidate in using the Power BI Desktop application, including tasks such as creating and editing reports, managing data connections, and implementing advanced functionalities. With Power BI Desktop being a central tool for Power BI development, it is crucial to assess a candidate's proficiency in this area.