- A/B榜 0.890x 解决方案
- B 榜排名 11/1594
- 使用lgb树模型
- 10折交叉验证,4个不同种子/划分
几个强特:
- 借贷标记:0或1 (原数据有)
- 退款标记:0或1(交易金额是否大于0):这个特征可以和借贷标记构建类似的强特
- 基于借贷标记和退款标记构建转入次数、转出次数等
- TF-IDF特征
- 各种groupby
DCIC2023 Fraud Risk Identification Competition Solution.
Home Page: https://www.dcic-china.com/competitions/10060/
几个强特:
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.