7 Commits (84e89f70aa62d064044be02b0a587bb3b4cee070)

 

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Author	SHA1	Message	Date
Guofu Li	84e89f70aa	Update the README file.	3 years ago
Guofu Li	bd9363f6fc	1. Reorganized the directory structure. ... 2. Add `DDBBase` class to decrease repeated class-level constant definitino. 3. Add `DDBExpression` class for single quarter calculation and yoy claculation.	3 years ago
Guofu Li	85522c064c	reorganize the directory structure	3 years ago
Guofu Li	95de99046a	1. `DDBDailyFactor.py` => `DDBFactor.py` ... 2. 在`DDBLoader.py`中增加了`DDBPITLoader`类，专门用于向DolphinDB里面添加PIT数据 3. 其他一些优化	3 years ago
Guofu Li	621b38dce3	1. Add `DDBDailyFactor.py`, which creates daily factors from HFT data. ... 2. Correct some typo in `DDBLoader.py`, but shouldn't affect its normal behaviour.	3 years ago
Guofu Li	65d667ecab	add .gitignore file	3 years ago
Guofu Li	a479f1c26c	init	3 years ago