
M.Subhan Excel
Data Cleaning Formatting and Remove duplicate rows Expert, Excel, Google Sheets
Compétences

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Expérience professionnelle
MS officse
Freelancer.com
May 2025 - Jul 2026 • 1 yr 2 mos
Data Cleaning & Formatting: Cleaned, structured, and validated large messy datasets in Excel, SQL, and Python (Pandas) to ensure data integrity for downstream analysis. Workflow Optimization: Standardized text formats, handled missing values, resolved duplicate records, and implemented date-time formatting standardizations. Data Pipeline Management: Developed automated data cleaning workflows to transform raw, unstructured inputs into clean, analysis-ready datasets. Reporting & Documentation: Maintained clear project documentation, tracked metrics, and prepared clean data exports for machine learning models and business intelligence dashboards (Power BI / RStudio).