Guanhong Li

@guanhong_li

Data Cleaning Python Automation Specialist

China

English, Chinese

About me

I help clients clean, organize, analyze, and automate data workflows using Python, pandas, and Excel. I can clean messy CSV and Excel files, remove duplicates, standardize formats, validate data, automate repetitive tasks, extract publicly available web data, create charts and reports, and troubleshoot Python scripts. My doctoral background combines computer science, chemical engineering, and computational methods. I focus on clear requirements, reproducible workflows, documented outputs, and reliable delivery.... Read more

Skills