标签:style blog http ar color os sp strong 数据
数据准备:
一组股票历史成交数据(股票代码:601106 中国一重),起止日期:2011-01-04至今,其中变量有“开盘”、“最高”、“最低”、“收盘”、“总手”、“金额”、“涨跌”等
UPDATE FactStock SET [涨跌] = N‘涨‘ WHERE [涨幅] > 0 UPDATE FactStock SET [涨跌] = N‘跌‘ WHERE [涨幅] < 0 UPDATE FactStock SET [涨跌] = N‘持平‘ WHERE [涨幅] = 0 SELECT [涨跌] , COUNT(*) AS Cnt FROM FactStock GROUP BY [涨跌] SELECT * FROM FactStock WHERE [涨跌] = N‘持平‘ SELECT MAX(收盘) , MIN(收盘) , AVG(收盘) FROM FactStock UPDATE FactStock SET 序列 = CAST(REPLACE(CONVERT(CHAR(10), SUBSTRING([时间], 1, 10), 120), ‘-‘, ‘‘) AS INT) SELECT * FROM FactStock
分析过程:
《BI那点儿事》Microsoft 逻辑回归算法——预测股票的涨跌
标签:style blog http ar color os sp strong 数据
原文地址:http://www.cnblogs.com/Bobby0322/p/4109199.html