David L.

@david_liu_da

Data Analyst Python, SQL, Power BI, Excel

China

English, Chinese

About me

I help businesses turn messy data into clear, actionable insights using Python, SQL, and data visualization tools. I specialize in data cleaning, exploratory analysis, statistical modeling, interactive dashboards (Power BI, Excel), and SQL querying. Proficient in Python with pandas, numpy, matplotlib, and seaborn. IBM Data Analyst Professional Certificate holder. Bilingual in Chinese and English. I deliver clean, well-documented work on time.... Read more

Skills