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À propos de moi
I am a Data Analyst focused on helping small businesses turn spreadsheets, CSV files and raw business data into clean reports, dashboards and useful insights. I work with Python, Pandas, Excel, SQL, Tableau and Power BI to clean data, analyze sales performance, identify data quality issues and build business dashboards. My portfolio includes projects on sales invoice tracking, data quality audits, sales forecasting, financial analysis and interactive dashboards.
Tableau: https://public.tableau.com/app/profile/mattia.de.rosa/vizzes
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