用EVIEWS做回归方程时有时出现的错误讯息显示near singular matrix是什么意思?怎么解决呢?
楼主: wwflower
|
195573
151
[问答] near singular matrix什么意思? |
副教授 7%
-
|
回帖推荐waterhorse 发表于3楼 查看完整内容 OLS estimator is a weighted average approach. The estimates depends on the independent variables, Xs (i.e., regressors; the ones on the right of the estimated equation). When some of these Xs are linearly dependent (or highly linearly dependent), the inverse of matrix (X'X) used in the OLS is not obtainable. The reason is its determinant is very close to zero (the cause of near singular matri ...
本帖被以下文库推荐
| ||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||
京ICP备16021002-2号 京B2-20170662号 京公网安备 11010802022788号 论坛法律顾问:王进律师 知识产权保护声明 免责及隐私声明