Programming Languages: R/RStudio, Python, SQL
Tools: Tableau, PowerBI, Microsoft Access, SPSS
Data Cleaning: Feature Engineering
Data Analysis: Data Visualization, Statistics Methods
Modeling and Algorithms: Machine Learning (ML), Text Mining, Descriptive Models, Predictive Models, Prescriptive Models
Data Interpretation: Storytelling Skills, Data Visualization
CL
Looking for a job
Chang Liu
@changliu
I am a data analyst in Bay Area. And I am actively looking for DA and DS positions.
United StatesExperience
SC
Current
Business Analyst
Super Micro Computer
Apr 2022 - Present (2 years 1 month)
Achieved a 15% reduction in slow-moving (SLM), excess, and obsolete (E&O) inventory quarterly by designing and implementing an ETL process for the SLM/E&O system using window function, union, merge, and CTE in SQL. Optimized financial risk management of SLM/E&O inventory by utilizing the SLM/E&O system and maintaining it at 12% of total inventory.
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