Yash Raj
Data Analyst | SQL & Power BI | Open to Global Contracts
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KPI Generation for Data Analysis
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Dashboarding for Excellent use of data
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Cleaned a 1,000-row messy HR dataset using PostgreSQL, handling inconsistent missing values, whitespace, mixed numeric/text data, and five different date formats. Built a reproducible SQL pipeline using CASE, regex, TRIM, type casting, and TO_DATE(), followed by validation checks to ensure the cleaned data remained accurate and analysis-ready.
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My Data Cleaning project using Excel
Where I fix Whitespaces, Handling missing values, Fixed multi date formats into one and Made it into a formal worksheet
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