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Home Authors Posts by Mandie Liu

Mandie Liu

Mandie Liu is a data scientist on Uber’s Experimentation Platform team.

Engineering Blog Articles

Under the Hood of Uber’s Experimentation Platform


Experimentation is at the core of how Uber improves the customer experience. Uber applies several experimental methodologies to use cases as diverse as testing out a new feature to enhancing our app design.

Uber’s Experimentation Platform (XP) plays an important

Building Automated Feature Rollouts on Robust Regression Analysis

At Uber, engineering teams launch features for our various mobile apps simultaneously across cities around the world, over multiple time zones, and in products on a daily basis. To ensure that these features land safely, we leverage our experimentation platform

Research Papers

Safely and Quickly Deploying New Features with a Staged Rollout Framework Using Sequential Test and Adaptive Experimental Design

Z. Zhao, M. Liu, A. Deb
During the rapid development cycle for Internet products (websites and mobile apps), new features are developed and rolled out to users constantly. Features with code defects or design flaws can cause outages and significant degradation of user experience. The traditional method of code review and change management can be time-consuming and error-prone. In order to make the feature rollout process safe and fast, this paper proposes a methodology for rolling out features in an automated way using an adaptive experimental design. [...] [PDF]
International Conference on Computational Intelligence and Applications, (ICCIA), 2018