楼主: infowwf
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Mplus设置starting alue [推广有奖]

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楼主
infowwf 发表于 2010-12-24 11:51:47 |AI写论文
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仿照老外的Mplus多层结构方程模型程序,运行后结果输出显示“CHANGE YOUR MODEL AND/OR STARTING VALUES.”,请教高人知道怎样设置这个starting value,谢谢!
            原来用过EQS6.1,当出现迭代不能收敛时,也需要设定初始值,在EQS中有专门的语句可以用蒙特卡罗方法把初始值估计出来,使用者只要原样复制就OK了,我检查了哪些初始值,有正数,负数,小数,我想人工去尝试设置的话,只怕是不可能的事,就想问下有哪位高人可以指点(哪怕是指点相关的参考资料也可以)再次感谢!

关键词:Starting artin Mplus Start PLUS 设置 Mplus Starting alue

沙发
infowwf 发表于 2010-12-24 16:07:14
有知道的吗?

藤椅
sunwq2007 发表于 2010-12-24 17:12:03
看看对你是否有用:
If a parameter is not free by default, when the parameter is mentioned in
the MODEL command, it is free at the default starting value unless
another starting value is specified using the asterisk (*) followed by a
number or the parameter is fixed using the @ symbol followed by a
number. The exception to this is that variances and residual variances
for latent response variables corresponding to categorical observed
dependent variables cannot be free in the Delta parameterization. They
can be free in the Theta parameterization. In the Theta parameterization,
scale factors for latent response variables corresponding to categorical
observed dependent variables cannot be free. They can be free in the
Delta parameterization.
GENERAL DEFAULTS
Following are the default starting values:
Means/intercepts of continuous and 0 or sample mean
censored observed variables depending on the
analysis
Means/intercepts of count observed variables 0
Thresholds of categorical observed variables 0 or determined by the
sample proportions
depending on the
analysis
Variances/residual variances of .05 or 1 depending on
continuous latent variables the analysis
Variances/residual variances of .5 of the sample
continuous and censored observed variables variance
Variances/residual variances of 1
latent response variables for categorical
observed variables
Scale factors 1
Loadings for indicators of continuous 1
latent variables
All other parameters 0
For situations where starting values depend on the analysis, the starting
values can be found using the TECH1 option of the OUTPUT command.
每天进步一点点!

板凳
infowwf 发表于 2010-12-24 19:13:52
非常感谢你的帮助,最后一句试试看有没有用。

报纸
infowwf 发表于 2010-12-24 19:14:45
For situations where starting values depend on the analysis, the starting
values can be found using the TECH1 option of the OUTPUT command.
就是这句看看有用吗?再次感谢你的帮助!

地板
infowwf 发表于 2010-12-24 19:16:16
请版主先把我的20个论坛币拨给sunwq2007 ,谢谢!

7
infowwf 发表于 2010-12-24 19:39:27
好像还是不行啊!

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