Search found 4 matches
- Wed Dec 10, 2014 11:47 am
- Forum: Realcom user forum
- Topic: Imputation and perfect prediction
- Replies: 2
- Views: 5500
Imputation and perfect prediction
Hi, I am developing a multi-level imputation model for several categorical variables and want to include many predictor variables in the model. How does REALCOM IMPUTE cope with perfect prediction? I am anticipating PP to be an issue, and read in the book 'Multiple Imputation and Its Application' (C...
- Fri Oct 03, 2014 2:27 pm
- Forum: Stat-JR user forum
- Topic: 2LevelImpute
- Replies: 20
- Views: 68055
Re: 2LevelImpute
Hi, This is all very helpful, thank you. However, I'm not sure I understand your answer to question 3. In a longitudinal setting, observations at times points closer together usually more highly correlated than observations further apart in time. Wouldn't we want to preserve this structure in the im...
- Fri Oct 03, 2014 10:46 am
- Forum: Realcom user forum
- Topic: Error when imputing unordered categorical responses
- Replies: 2
- Views: 6662
Error when imputing unordered categorical responses
Hi, I am trying to impute 2 categorical responses (1 level 1, 1 level 2) and one binary (level 1). The categorical responses are ordered, but I want to impute them as unordered in case proportionality does not hold. I have already tried imputing them all as ordered categorical variables, which seeme...
- Thu Oct 02, 2014 2:14 pm
- Forum: Stat-JR user forum
- Topic: 2LevelImpute
- Replies: 20
- Views: 68055
Re: 2LevelImpute
Hi, Having installed Stat JR and worked through the 2levelImpute tutorial, I have a few questions: 1) Does the template allow an ordinal/multinomial response variable for the MOI? 2) Again, in the MOI, is it possible to implement an unstructured covariance matrix for the random effects e.g. allow ra...