Profile Details

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Hire Wenjie W.

Germany

USD 20 /hr

Freelance Statistician & Data Analyst | Expert in Python | Years of hands-on modeling and scientific writing experience.

Profile Summary

I’m a data analyst with strong statistical knowledge, years of hands-on modeling experience, and extensive expertise in Python. Whether you’re trying to clean and analyze messy datasets, build predictive models, uncover business insights, or automate data workflows, I can help. What I can do for you: - Skilled in statistics, data cleaning, and exploratory data analysis - Experienced in machine learning model development and evaluation - Proficient in Python (NumPy, Pandas, SciPy, scikit-learn, etc.) - Full project management from start to finish — from understanding your requirements, designing analytical solutions, implementing the workflow, to preparing clear documentation and reports Why work with me: I always ensure transparent progress updates and deliver solutions that fit your objectives. If you’re looking for someone to turn your data into actionable results, you’re in the right place.

Subject Matter Expertise

• ☆ Automation
• ☆ Data Analysis
• ☆ Computer Simulation/Computational Modeling
• ☆ Algorithm Design
• ☆ Data Processing
• ☆ Data Exploration
• ☆ Cluster Analysis
• ☆ Data Visualization
• ☆ Machine Learning
• ☆ Data Mining
• ☆ Data Cleaning
• ☆ Neural Networks
• ☆ Pattern Recognition
• ☆ Deep Learning
• ☆ Financial Modeling
• ☆ Statistics
• ☆ Statistical Theory
• ☆ Applied Statistics
• ☆ Regression Analysis
• ☆ Multivariate Analysis
• ☆ Nonlinear Regression
• ☆ Bayesian Statistics
• ☆ Correlation Analysis
• ☆ Python
• ☆ SQL
• ☆ Tensorflow
• ☆ LaTex
• ☆ Scikit-learn

Services

• Writing
• Research
• Data & AI
• Product Development

Writing Technical Writing, Translation

Research Market Research, Meta-Research, Systematic Literature Review

Data & AI Predictive Modeling, Statistical Analysis, Data Visualization, Big Data Analytics, Data Mining, Data Cleaning, Data Processing

Product Development Formulation, Recipe Development

Work Experience

Phd student

University of Bonn

April 2024 - Present

Education

Masters of Science

Rheinische Friedrich-Wilhelms Universität Bonn - Germany

June 2021 - March 2023

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Wenjie Wu, Vikrant V. Jadhav, Pavel Kroupa, Jan Pflamm-Altenburg, Ingo Thies (2024). The spin, expansion, and contraction of open star clusters . Astronomy & Astrophysics.

Wenjie Wu, Pavel Kroupa, Jan Pflamm-Altenburg (2024). Mass segregation and velocity dispersion as evidence for a dark star cluster . Monthly Notices of the Royal Astronomical Society.