Freelance Data Analyst & Portfolio Projects
|Freelance Data Analyst
Remote, England, United Kingdom of Great Britain and Northern Ireland
Summary
Led independent data analysis projects, developing interactive dashboards and applying advanced data transformation techniques to deliver actionable insights and support strategic decision-making for diverse clients.
Highlights
Designed and developed interactive Power BI dashboards by integrating diverse multi-source datasets, enhancing insights for road safety analysis, student mental health, and e-commerce performance.
Applied advanced data transformation techniques, including unpivoting, merging, schema mapping, and Z-score calculations via Power Query, to optimize data readiness for analysis.
Constructed optimized star and snowflake data models, significantly improving dashboard performance and accelerating business insights delivery.
Executed comprehensive exploratory data analysis and statistical modeling to identify critical trends, correlations, and outliers, informing strategic decision-making.
Communicated complex data insights and visual stories effectively to non-technical stakeholders, directly supporting operational and strategic decision-making.