ORA-40028: solution to least squares problem could not be found

文档解释

ORA-40028: solution to least squares problem could not be found

Cause: Unable to find solution because the predictor build data were not properly scaled.

Action: Standardize the predictor build data by enabling auto prep.

ORA-40028: solution to least squares problem could not be found 这是由 Oracle 数据库抛出的一个异常,表明找不到至少二乘问题的解决方案。

官方解释

常见案例

一般处理方法及步骤

1.确认所使用的二乘回归分析的数据合法性;

2.确定样本的数量是否足够;

3.加大二乘回归分析的精度;

4.检查数据样本是否具备一定的正则性以及规律性;

5.检查所用算法是否适合处理本次分析;

6.检查时间顺序是否正确。

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