Olist E-Commerce Sales Dashboard
Cleaned and transformed data from 9 tables using Power Query, including merging, aggregation, and data modeling preparation. Built a Star Schema data model with
Cleaned and transformed data from 9 tables using Power Query, including merging, aggregation, and data modeling preparation. Built a Star Schema data model with Orders as the central fact table and multiple dimension tables. Created a Date Table and developed DAX measures for Revenue, Orders, Customers, Delivery Rate, Purchase Frequency, and Review Score. Resolved one-to-many relationship issues by aggregating Payments and Reviews data at the order level. Designed interactive dashboards with KPIs, Revenue Trends, Geographic Analysis, Order Status Tracking, and Top/ Bottom Performance analysis. Developed custom regional segmentation using DAX to improve sales analysis and executive reporting.