如何开发统计模型以识别Peoplesoft系统中的问题过程，该模型应比最近运行赋予更多权重

问题描述

以下查询仅给出加权平均值与正常平均值之间的微小差异，什么是好的模型以及如何在Peoplesoft中获得工作失败的可能性

 SELECT DISTINCT TRUNC(SUM(ntile1) over(partition BY prcsname,status order by status)/SUM(ntile1) over(partition BY prcsname),2)*100 as weighted_pecentage,TRUNC(count(1) over(partition BY prcsname,status order by status)/count(1) over(partition BY prcsname),2)*100 as normal_percentage,prcsname,status
 FROM
 (SELECT 100-ntile(100) over (partition by prcsname order by prcsname,prcsinstance DESC)AS ntile1,DECODE(runstatus,9,'Success','UnSuccess') AS status,p.*
 FROM psprcsrqst p
 WHERE prcsname LIKE '%'
 ORDER BY
 prcsinstance desc,status DESC
 ) p2 order by prcsname,status;
 
 !! detail
 SELECT 100-ntile(100) over (partition by prcsname order by prcsinstance desc )AS ntile1,p.*
 FROM psprcsrqst p
 WHERE prcsname LIKE '%'
 ORDER BY prcsname,prcsinstance desc,status DESC;

解决方法

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