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Hello, we have a variable that is dummy coded (0 and 1) and we want to use it as a predictor. We have entered this variable by using "Categorical are". We think in this case it is not possible to use a chi-square difference test to compare two nested models. Is it possible to enter a dummy coded variable into a model as a predictor and to treat it intervall scaled? It would be very kind if you can take the time to answer this question. Best Christopher |
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The CATEGORICAL list is for dependent variables. In regression, covariates can be binary or continuous. In both cases, they are treated as continuous. |
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