Data Analysis
Analysis of data sources, table structures, and input data quality.
Interactive business report with advanced data modeling.
The Power BI report project was created to provide full
transparency of business data and support management
decision-making through interactive visualizations and
automated data refresh.
Analysis of data sources, table structures, and input data quality.
Identification of data inconsistencies, duplicates, and report performance issues.
Optimization of the data model, Power Query transformations, and improvement of DAX measures.
The main challenge was working with large data volumes from multiple sources, the lack of a consistent data model, and the need to ensure high report performance while maintaining clear and readable visualizations.
The final result was a fully interactive Power BI report with clear dashboards, an optimized data model, and automated data refresh. Users gained quick access to key KPIs, trend analysis, and detailed operational data.