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Howell James

Howell James

Senior Statistical Modeler - Data Annotation

USA flag
Florida, Usa
$40.00/hrExpertLabelboxLabel StudioLionbridge

Key Skills

Software

LabelboxLabelbox
Label StudioLabel Studio
LionbridgeLionbridge
MercorMercor

Top Subject Matter

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Top Data Types

3D Sensor
Computer Code ProgrammingComputer Code Programming
DocumentDocument
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TextText
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Top Label Types

Action Recognition
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Translation Localization

Freelancer Overview

I am an experienced mathematician and data annotation specialist with over 8 years of professional expertise in statistics, algebra, and AI training data. My background includes leading quality control teams on large-scale NLP projects and developing statistical models to improve data labeling accuracy and minimize bias. I am skilled in Python, R, PyMC3, SQL, and statistical tools such as SPSS and Stata. My work spans the design and testing of experimental systems, A/B testing, and causal inference for both academic and industry research. I am detail-oriented, reliable, and committed to delivering high-quality, structured data for machine learning and AI applications.

ExpertEnglish

Labeling Experience

Senior Statistical Modeler, Data Annotation

TextClassification
I compiled and tested production-level statistical models using AI training data for natural language processing projects. I developed A/B testing and causal inference systems to enhance annotation accuracy and reduce bias. As a senior modeler, I led efforts for statistical quality control and process improvement. • Utilized Python, R, and PyMC3 for AI model development and annotation. • Oversaw large-scale data annotation and quality assurance tasks. • Collaborated on NLP-focused data labeling initiatives with a team of annotators. • Ensured rigorous statistical standards in data annotation and review.

I compiled and tested production-level statistical models using AI training data for natural language processing projects. I developed A/B testing and causal inference systems to enhance annotation accuracy and reduce bias. As a senior modeler, I led efforts for statistical quality control and process improvement. • Utilized Python, R, and PyMC3 for AI model development and annotation. • Oversaw large-scale data annotation and quality assurance tasks. • Collaborated on NLP-focused data labeling initiatives with a team of annotators. • Ensured rigorous statistical standards in data annotation and review.

2022

Education

U

University of Florida

Master of Science, Mathematics and Statistics

Master of Science
2023

Work History

F

Fiverr

Statistics Consultant

Remote
2019 - 2021
I

IBM

Mathematics Expert

Florida City
2016 - 2018