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emmanuel_ezek

Emmanuel E

@emmanuel_ezek

Data Analyst

Nigeria
Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
I am a Data Analyst with a Master's Degree in Data Analytics and 5 years of experience in data cleaning, reporting, and dashboard development. I am skilled in Excel, SQL, and Power BI, with expertise in data annotation and transforming raw data into actionable insights to support business decision-making.... Continua a leggere

Competenze

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emmanuel_ezek
Emmanuel E
offline • 

Consulta i miei servizi

Analisi BI
I will data analysis, dashboards and reports in excel, sql and power bi
A partire da20 USD / progettoMaggiori dettagli
Pulizia dei dati
I will clean, format and organize your excel data
A partire da15 USD / progettoMaggiori dettagli

Esperienza lavorativa

Outlier

AI Data Evaluator

Outlier • Freelance

Jan 2026 - Present • 10 mos

Evaluated AI-generated responses for accuracy, relevance, and quality. Analysed text and data samples to identify errors and inconsistencies, providing written justifications. Compared and ranked AI outputs using structured rubrics and conducted quality assurance checks on annotated datasets to ensure reliability for AI training.