如何在amos模型里加约束

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在进行模型生成的时候，拟合结果说“The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 1 additional constraints.”我该如何给模型增加6个约束？原则是什么？如何判断需要加约束？（内生变量已经加了残差，还是需要加一个约束）

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关键词：AMOS模型 amos AMO unidentified Constraints amos

你用的是AMOS？有具体的模型吗？

是amos，不如我们加qq聊吧，愁的我啊

据我的了解，约束好像有两种，一种是误差变量的约束，另一种是路径的约束，有时需要设置其中一种即可，有时则需要同时设置二者才能使模型得到识别。你再试试看？加油！！！

出现同样的问题。求救！
怎样进行误差变量的约束和路径的约束？？？

楼主也加我一下，我最近也在学习AMOS，一起交流，qq381545866

也加我吧，QQ724212947,出现同样问题了！！

Even though is an old question, in  order to achieve identification, one of the factor loadings must be fixed to one. The variable with a fixed loading of one is called a marker variable. If this is not the problem the more simple constraint is to set one parameter equal to another parameter. Hope that help and other users

mssr 发表于 2011-9-26 05:28
Even though is an old question, in  order to achieve identification, one of the factor loadings must ...

thank you for your answer！ by the way, how to  set one parameter equal to another parameter?

You will need multigroup analysis. Read the following from the link (it's a powerpoint file) and you will see the way.
http://www.structuralequations.c ... deling+Tutorial.pps