Data Analyst Intern (data cleaning/prep and dashboard/report preparation) — ECR Technology Services
Performed dataset cleaning, transformation, and analysis steps to support data-driven decision-making and dashboard/report generation. Built visual reporting artifacts by connecting cleaned data to Power BI dashboards and KPI views for interpretation. Enhanced reporting depth and accuracy using modeling techniques and DAX-based calculations. • Cleaned and transformed datasets with Excel, Power Query, SQL, and Power BI. • Developed interactive dashboards and reports for business performance metrics and KPIs. • Conducted preprocessing (duplicate removal, missing value handling, consistency improvements). • Applied DAX functions and data modeling to improve reporting accuracy.