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junior data analyst
Deloitte • Freelance
Jul 2023 - Present • 2 yrs 10 mos
DESCRIPTION: * cleaned and transformed raw datasets using excel and python (pandas) * Removed duplicates, handled missing values, and standardized data formats * Performed exploratory data analysis (EDA) to identify trends and patterns * Created structured datasets ready for reporting and visualization * Used SQL to query and filter large datasets ACHIEVEMENTS: * Successfully cleaned datasets with 1000+ rows and multiple inconsistencies * Reduced data errors and duplicates by over 90% in sample datasets *Completed multiple real world data cleaning projects using excel and python * Built organized, analysis-ready datasets from messy raw data * Consistently delivered clean and accurate results during training projects