UNLESS Q1 was a categorical variable (a.k.a. You will know if your data is setup properly if it will produce mi pooled estimates in other types of analysis, then the problem is just that SPSS isn't supporting the pooled estimates for that analysis.Īs for your question about including a control variable, you just need to add the additional covariate to the model as a predictor along with X1, X2, and X3.įor example, if I wanted to control for variable "Q1", then I would just have the following: If it won't produce pooled estimates at that point, then SPSS just doesn't support pooled estimates for that analysis (perhaps turn to R). For a model to run on mi datasets: 1) your version of SPSS needs to support MI and 2) you must have your data split by imputation. First, your mi question: there is no modification to the syntax that will allow it to run via mi.
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