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jinne342/README.md

Hi, I'm JessiesZ 👋

应用统计学本科在读 · 数据分析 / 用户研究 / 市场研究

I turn messy data into decisions — from survey design and cleaning to modeling and storytelling.


🔍 What I work on

  • 消费者与市场研究:问卷设计、SICAS / ACSI、聚类与回归、用户分层
  • 数据分析与可视化:SQL、pandas、ECharts、Excel、统计检验
  • 机器学习与风控:GBDT、GRU、Focal Loss、类别不平衡、阈值寻优
  • 数据系统:SQL Server 建模、FastAPI、Vue 3、Git

📌 Selected projects

# 项目 做了什么
01 数学建模竞赛平台数据库设计 E-R 建模 + SQL Server 建库 + FastAPI/Vue 全栈实现
02 45°青年养生茶消费心理研究 1400 份问卷、PEST/SOR/SICAS/ACSI、聚类与 Logistic 回归
03 Z 世代二手市场研究 问卷 + 深度访谈、相关/回归、K-means 用户分层
04 FL-GRU 信用卡违约预警 BorderlineSMOTE + 双层 GRU + Focal Loss,AUC 0.7965
05 MCM 奥运奖牌榜预测 GBDT、AHP、Mann-Whitney U、Herfindahl 指数
06 桦语北境非遗品牌升级 PEST/SWOT、TAM-SAM-SOM、三年财务测算、AHP

👉 全部项目与完整说明:portfolio

🛠 Toolbox

Python pandas NumPy scikit-learn TensorFlow SQL Server Vue Git

🌱 Currently

  • 准备 数据分析 / 运营 方向实习
  • 补 SQL 窗口函数与 AB 实验分析
  • 把课程项目整理成可复现的作品集

Open to data analytics / operations internship opportunities.

Popular repositories Loading

  1. portfolio portfolio Public

    Data analysis portfolio: database design, consumer research, market research

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  2. jinne342 jinne342 Public

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