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Erastus Nyoike

Erastus Nyoike

Data Analytics Professional - Financial Services

KENYA flag
Juja town, Kenya
$6.00/hrIntermediateClickworkerInternal Proprietary Tooling

Key Skills

Software

ClickworkerClickworker
Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
ImageImage
TextText

Top Label Types

Audio Recording
Classification
Data Collection
Emotion Recognition
Evaluation Rating
Question Answering
Text Generation

Freelancer Overview

I am a data analytics professional with a strong foundation in data collection, quality assurance, and statistical analysis, making me well-suited for data labeling and AI training data roles. My experience includes hands-on work with large-scale survey operations, data verification, and the use of statistical tools like SPSS, R, Python, and Excel to ensure data integrity and accuracy. I have managed data collection projects, performed data cleaning and annotation, and developed detailed reports and visualizations using Power BI and Tableau. Through projects such as housing price analysis, air quality prediction, and customer segmentation, I have applied machine learning techniques and handled diverse datasets, demonstrating my ability to prepare high-quality labeled data for AI and analytics tasks. I am committed to maintaining rigorous data standards and leveraging my analytical skills to support the development of robust AI models.

IntermediateEnglishSwahili

Labeling Experience

Data Analytics Freelancer (Data Labeling/Preparation)

Internal Proprietary ToolingTextData Collection
As a Data Analytics Freelancer, I performed extensive data cleaning and pre-processing on diverse datasets to ensure they were ready for analysis and machine learning pipelines. I validated and rectified data inconsistencies, formatted data correctly, and ensured data quality for further modeling. My work included following client instructions on how specific data should be labeled, validated, and annotated to meet strict project requirements. • Utilized Python, R, and Excel for text and numerical data annotation tasks. • Systematically identified and corrected errors and missing values in data. • Followed specific requirements for data integrity and labeling precision. • Communicated data-related findings and ensured deliverables met quality standards.

As a Data Analytics Freelancer, I performed extensive data cleaning and pre-processing on diverse datasets to ensure they were ready for analysis and machine learning pipelines. I validated and rectified data inconsistencies, formatted data correctly, and ensured data quality for further modeling. My work included following client instructions on how specific data should be labeled, validated, and annotated to meet strict project requirements. • Utilized Python, R, and Excel for text and numerical data annotation tasks. • Systematically identified and corrected errors and missing values in data. • Followed specific requirements for data integrity and labeling precision. • Communicated data-related findings and ensured deliverables met quality standards.

2017

Huduma Number Registration Clerk (Biometric Data Labeling)

Internal Proprietary ToolingTextData Collection
At the National Integrated Identity Management System, I executed high-volume data verification and quality assurance of biometric image and personal data. The role involved capturing, validating, and labeling biometric records for secure storage and identity management. I operated biometric devices and labeled image data to conform to official documentation requirements. • Captured and processed fingerprint and facial image data for identity records. • Labeled, verified, and validated personal identity document images. • Ensured strict data accuracy and compliance with privacy guidelines. • Prepared daily summaries of verified and labeled individuals within the digital system.

At the National Integrated Identity Management System, I executed high-volume data verification and quality assurance of biometric image and personal data. The role involved capturing, validating, and labeling biometric records for secure storage and identity management. I operated biometric devices and labeled image data to conform to official documentation requirements. • Captured and processed fingerprint and facial image data for identity records. • Labeled, verified, and validated personal identity document images. • Ensured strict data accuracy and compliance with privacy guidelines. • Prepared daily summaries of verified and labeled individuals within the digital system.

2019 - 2019

Education

W

World Quant University

Non-Degree Certificate, Data Science

Non-Degree Certificate
2024 - 2024
K

Kisii University

Bachelor of Science, Actuarial Science

Bachelor of Science
2010 - 2014

Work History

E

Essayshark.Com

Data Analytics Freelancer

Juja
2017 - Present
N

National Integrated Identity Management System

Registration Clerk

Nairobi
2019 - 2019