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emmanuel_ezek

Emmanuel E

@emmanuel_ezek

Data Analyst

Nigeria
Anglais
Certaines informations sont présentées en anglais.
À propos de moi
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.... Plus d’infos

Compétences

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emmanuel_ezek
Emmanuel E
hors ligne • 

Voir mes services

Analyse BI
I will data analysis, dashboards and reports in excel, sql and power bi
De20 $US / projetPlus de détails
Nettoyage des données
I will clean, format and organize your excel data
De15 $US / projetPlus de détails

Expérience professionnelle

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.