Shuang Liu
Senior Data Analyst at Verizon Connect
- Role
- Senior Data Analyst at Verizon Connect
- Location
- Princeton, NJ, US
- LinkedIn followers
- 500 followers
About Shuang Liu
SAS project for Analyzing and Modeling of Bone Mineral Density Data(2010)• Collected, coded and integrated data from different sources.• Performed feature selection using ANOVA filter and general linear and logistic regression models. • Obtained confidence intervals for parameters using bootstrap and modified McKay approximation method.Confidence Interval estimations for Coefficient of Variation (20••••12)• Verified and analyzed the limitation of existing methods.• Proposed the three new nonparametric methods to constructing confidence interval: General pivotal quantity method, bootstrap-based Empirical likelihood method and Jackknife-based Empirical likelihood method.• Compared the proposed methods with existing methods by designing and conducting series of simulation studies.Call center inbound volume forecast models• Collected and integrated millions data records from Oracle Business Intellectual tool using SAS• Applied Survival Analysis on consumer data to calculate Call-in-Rate in different consumer stages• Created forecast regression models with weighted Call-in-Rate and other influencer (location,seasonal influence).Call Center KPI metrics dashboards creation• Acquired business requirements from business leader and Vendors• Created KPI definition catalog• Designed and created dashboards in Oracle Business Intellectual Enterprise Edition, Tableau, Power BI and EXCEL
Experience
Senior Data Analyst
Sep 2022 — Present · Atlanta, GA, US
Drive report automation and customization through the use of business intelligence tools such as OBIEE, PowerBI, Tableau- Migrate PowerBI dataflows from Excel and Access database to SQL server and PowerBI dashboards to Tableau dashboard- Generate Python codes to automate data intake process and data transformation- Manage ETL and reporting workstreams across a variety of sources, ensuring presentation of the data in a clear and concise manner, with actionable insights- Created new reporting and dashboards, data infrastructure, and queries to track key metrics across multiple data sources leveraging Tableau, Power BI, and other visualization tools; monitored for changes in trends, shared insights and made recommendations
Education
Georgia State University
Master's degree, Mathematics and Statistics
2009 — 2012
Sichuan University
Bachelor's degree, Applied Mathematics
2005 — 2009
Skills
- Sas
- Obiee
- Microsoft Excel
- C
- R
- Latex
- Matlab
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