lightgbm多因子选股
由dengzhc创建，最终由qxiao 被浏览 235 用户
旧版声明
本文为旧版实现，仅供学习参考。
https://bigquant.com/wiki/doc/demos-ecdRvuM1TU
预计算因子表[数据平台] https://bigquant.com/data/datasources/cn_stock_prefactors
https://bigquant.com/wiki/doc/dai-PLSbc1SbZX
https://bigquant.com/wiki/doc/dai-sql-Rceb2JQBdS
旧表达式如何迁移至新版 https://bigquant.com/wiki/doc/dai-PLSbc1SbZX#h-用dai代替python表达式
https://bigquant.com/experimentshare/6101b0b2a0f347cd98594fb4d0620065
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