Ruoyi Zhang

Conducted data cleaning and statistical analysis using Python to assess the impact of educational backgrounds on parents' childcare choices. Developed an Interrupted Time Series model to evaluate the effects of allowance reforms on childcare decisions across different educational levels. Designed and delivered data visualizations to clearly present research findings and model outcomes. Utilized statistical techniques to interpret complex data and provide actionable insights for decision-making.

Led market research and PR analysis, gathering and visualizing data to inform strategic decisions. Analyzed advertising performance metrics within the tech industry. Produced comprehensive reports featuring insights and forward-looking recommendations. Presented data visualizations to aid in decision-making processes.

Analyzed competitor positioning, marketing strategies, and sales trends using data insight tools. Delivered actionable competitive analysis and strategic recommendations based on business growth challenges. Monitored weekly e-commerce sales data, tracking over 300 promotional activities and user behaviors. Identified key consumption trends and customer preferences through data aggregation. Developed customer profiles using cluster analysis and provided strategic e-commerce reports.