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emmanuel_ezek

Emmanuel E

@emmanuel_ezek

Data Analyst

Nigeria
Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
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.... Lees meer

Skills

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emmanuel_ezek
Emmanuel E
offline • 

Bekijk mijn diensten

BI-analyse
I will data analysis, dashboards and reports in excel, sql and power bi
VanafUS$ 20 / projectMeer informatie
Gegevens opschonen
I will clean, format and organize your excel data
VanafUS$ 15 / projectMeer informatie

Werkervaring

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.