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emmanuel_ezek

Emmanuel E

@emmanuel_ezek

Data Analyst

Nigéria
Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
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.... Saiba mais

Habilidades

e
emmanuel_ezek
Emmanuel E
offline • 

Conheça meus serviços

BI Analytics
I will data analysis, dashboards and reports in excel, sql and power bi
A partir deUS$ 20 /projetoMais detalhes
Limpeza de Dados
I will clean, format and organize your excel data
A partir deUS$ 15 /projetoMais detalhes

Experiência profissional

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.