Cheng Zhang - Analyst

Research Assistant at UMass Transportation Center

Nationality

Chinese

Current location

United States

Work category

IT and Technology

Education

Masters/PostGrad

Profile Activity

• SAS Certified Advanced Programmer July 2011.
• SAS Certified Base Programmer June, 2011.
• 5 years programming experience with statistical packages: SAS, Matlab
• Extensive knowledge in statistical modeling, simulation, data mining and data management.
• Hand-on skills on SQL, Excel (VBA, Pivot Table), Word, and PowerPoint.

Cheng Zhang's Professional Experience

2009 - 2011

UMass Transportation Center - Research Assistant

Travel Demand Modeling
• Applied regression analysis to forecast travel demands based on land use, population and social-economic attributes of residents.
• Developed and calibrated transportation mode choice model using multinomial logit regression.
Traffic Count Database Management
• Created a traffic count database storing the traffic count data from 100 stations on Georgia400.
• Automation of data extraction, data aggregation and report generation from traffic count database.
Benchmarking Microscopic Car-following Models
• Developed a nonlinear model to describe single driver’s car-following behavior.
• Validated and calibrated the model against the real data using heuristic optimization algorithm.
• Evaluated the new model’s performance and compared it with other well-established car-following models based on their measures of goodness-of-fit to the real data.

Key Skills
Access EXCEL MATLAB SAS SQL
2010 - 2010

Pioneer Valley Planning Commission - Transportation Planning Intern

• Developed a travel demand model to forecast the traffic impact of flooding in Springfield
• Set up a flood evacuation plan to maximize the traffic flow and reduce the congestion.
• Created the manual of modeling the emergency and evacuation scenarios.
• Prepared written reports and client presentations delivered to Senior Planner.

Cheng Zhang's Education and Qualifications

2011

Masters/PostGrad - Transportation Engineering

University of Massachusetts-amherst

2008

Bachelor/Degree - Statistics

Nankai University