4 user research: the research of user behavior, such as user life cycle, user churn analysis, user value analysis, etc. ;

用户研究：研究用户生命周期、用户流失预警、用户价值分析等相关用户行为研究；并依此建立数学模型，撰写分析报告；

youdao

The research of network public opinion at home and abroad mainly is in two areas: one is the theory research, including policy, mechanism, the user behavior characteristic, network transmission mode;

目前国内外网络舆情的研究主要体现在两个方面：一是理论方面的研究，包括政策、机制、用户行为特征、网络舆情传播模式的研究；

youdao

The study, conducted by research firm InsightsNow, combines qualitative, quantitative and ethnographic methods, and tracked user behavior and clickstreams in the US, across mobile web, apps, and other mobile services.

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