国泰君安alpha191中的count、regbeta、regresi三个函数的定义
# 国泰君安 Count(a, n)，过去5天close_0 > close_1 的天数
conditions = where(close_0 > close_1, 1, 0)
count_ = sum(conditions, 5)
# # 国泰君安 Regbeta(a由ypyu创建，最终由ypyu更新于
做空策略
策略案例
[https://bigquant.com/experimentshare/24b4b95a83b24cc19ab4c0ea0d8d77f6](https://bigquant.com/experimentshare/24b4b95a83b24cc19ab4c0ea0d8d77
由ypyu创建，最终由ypyu更新于
如何使用因子分析
策略案例
[https://bigquant.com/experimentshare/0b04060b41be4c89b38adc02d2bd73a4](https://bigquant.com/experimentshare/0b04060b41be4c89b38adc02d2bd73
由ypyu创建，最终由ypyu更新于
一阳穿多线的因子描述
策略案例
[https://bigquant.com/experimentshare/44df09d365584c4b9874df99f5f69c4f](https://bigquant.com/experimentshare/44df09d365584c4b9874df99f5f69c
由ypyu创建，最终由ypyu更新于
2020-Meetup问题大纲
由ypyu创建，最终由ypyu更新于
测试集验证集_滚动
策略案例
[https://bigquant.com/experimentshare/396f1e1aa69d461f863dd3013d531a9d](https://bigquant.com/experimentshare/396f1e1aa69d461f863dd3013d531a
由ypyu创建，最终由ypyu更新于
参数寻优&并行模块
8月27日Meetup 模板案例：
策略案例
[https://bigquant.com/experimentshare/15756084520e435ba85339015b31a33d](https://bigquant.com/experimentshare/15756084520
由ypyu创建，最终由ypyu更新于
互信息计算
策略案例
[https://bigquant.com/experimentshare/6dbc5eb845fe48d0a8b61e60785cf762](https://bigquant.com/experimentshare/6dbc5eb845fe48d0a8b61e60785cf762
由ypyu创建，最终由ypyu更新于
交易逻辑案例_ST和退市股处理
9月24日Meetup 模板案例：
策略案例
[https://bigquant.com/experimentshare/2ddd6666ca164cf6b1f79b4a85cf8dae](https://bigquant.com/experimentshare/2ddd6666ca164
由ypyu创建，最终由ypyu更新于
因子构建
9月24日Meetup 模板案例：
策略案例
[https://bigquant.com/experimentshare/51adf36b114f4563b853329db07b3595](https://bigquant.com/experimentshare/51adf36b114f4
由ypyu创建，最终由ypyu更新于
策略中调用其他因子_AI
策略案例
[https://bigquant.com/experimentshare/5cfd9186208047518a995e4394ba1099](https://bigquant.com/experimentshare/5cfd9186208047518a995e4394ba1099
由ypyu创建，最终由ypyu更新于
超参优化
7月30日Meetup 模板案例：
策略案例
[https://bigquant.com/experimentshare/99d8bec5248e4878b33a21bc119a6671](https://bigquant.com/experimentshare/99d8bec5248
由ypyu创建，最终由ypyu更新于
周线计算指标
7月30日Meetup 策略模板：
策略案例
[https://bigquant.com/experimentshare/062a0182231e49f7996b0543e7acad48](https://bigquant.com/experimentshare/062a0182231
由ypyu创建，最终由ypyu更新于
自定义上传行情数据的教程+滚动训练
2021年3月25日Meetup策略：
策略案例
[https://bigquant.com/experimentshare/37c50fea88f648b2bcd895c3ce662001](https://bigquant.com/experimentshare/37c50fea88f
由ypyu创建，最终由ypyu更新于
简单网格交易日内择时
AI量化Meetup 2021年1月28日期问题，配合视频更容易理解。视频详见：
策略案例
[https://bigquant.com/experimentshare/5dd6b4f7a
由ypyu创建，最终由ypyu更新于
大盘风控
策略案例
[https://bigquant.com/experimentshare/344f82cf9a364da8a9ce70774d3d8e0d](https://bigquant.com/experimentshare/344f82cf9a364da8a9ce70774d3d8e0d
由ypyu创建，最终由ypyu更新于
标注模块+中性化
策略案例
[https://bigquant.com/experimentshare/d259ec04a8ea4c1c9151fe4ffc642063](https://bigquant.com/experimentshare/d259ec04a8ea4c1c9151fe4ffc642063
由ypyu创建，最终由ypyu更新于
按天标注
策略案例
[https://bigquant.com/experimentshare/644652453c624f34a027c192e4f8703a](https://bigquant.com/experimentshare/644652453c624f34a027c192e4f8703a
由ypyu创建，最终由ypyu更新于
超参寻优调参顺序
策略案例
[https://bigquant.com/experimentshare/fe8ec83484ca44148602d39a58545d75](https://bigquant.com/experimentshare/fe8ec83484ca44148602d39a58545d
由ypyu创建，最终由ypyu更新于
模型保存读取
7月16日Meetup模板案例:
策略案例
[https://bigquant.com/experimentshare/0aae2066f74e475ba198a6f79757c03f](https://bigquant.com/experimentshare/0aae2066f74e47
由ypyu创建，最终由ypyu更新于
单因子分析（案例代码）
策略案例
[https://bigquant.com/experimentshare/c17b3c96500d4d79a60a488b9714a40c](https://bigquant.com/experimentshare/c17b3c96500d4d79a60a488b9714a4
由ypyu创建，最终由ypyu更新于
轮仓策略对当日要卖出的股票设定一个比例的止盈
策略案例
[https://bigquant.com/experimentshare/52ed2445eced44fe93abaed8a95c91d5](https://bigquant.com/experimentshare/52ed2445eced44fe93abaed8a95c91
由ypyu创建，最终由ypyu更新于
高频期货因子分析
此为0527Meetup直播策略讲解，视频详见2021-AI量化Meetup导览
[https://bigquant.com/experimentshare/edab29d0ffad4e039a9c1f5fed1fa870](h
由kobe创建，最终由kobe更新于
【Meetup讲义】10月15日讲义
由ypyu创建，最终由ypyu更新于
分类模型评估
由qxiao创建，最终由qxiao更新于