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dawnzeropxl

Aodong Chen

@dawnzeropxl

I will analyze and visualize your data with clear insights

China
English, Chinese
About me
I am a data analysis enthusiast with a strong mathematical background and practical problem-solving skills. I specialize in data cleaning, visualization, and exploratory data analysis using Python and Excel. I focus on turning raw data into clear, structured insights that are easy to understand and apply. I have experience working on data-driven projects, including mathematical modeling and data analysis tasks, which helps me approach problems logically and efficiently. My goal is to deliver clear results, fast communication, and reliable work for every client. Feel free to message me !... Read more

Skills

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dawnzeropxl
Aodong Chen
Offline • 
Average response time: 1 hour

See my services

BI Analytics
I will analyze and visualize your data with clear insights
From$5 / projectMore details

Portfolio

Work experience

Upwork

Freelance Data Analyst & Python Developer

Upwork • Self-employed

Jul 2025 - Feb 2026 • 7 mos

Provided data analysis, visualization, and automation solutions for various independent projects. Key Responsibilities & Achievements: Data Cleaning & Preprocessing: Processed complex datasets (CSV, Excel) using Python (Pandas, NumPy), effectively handling missing values, duplicates, and formatting errors to ensure data integrity. Data Visualization: Designed clear and professional charts (using Matplotlib, Seaborn) to uncover trends, distributions, and hidden insights from raw data. Statistical Analysis: Applied mathematical and statistical logic to perform Exploratory Data Analysis (EDA) and generate actionable summaries. Task Automation: Wrote efficient Python scripts to automate repetitive data processing tasks, improving overall efficiency.