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  1. K

    Categorical Variable Coding Question

    Hi! :) Yes, I assigned the first value of each a value of 0. In addition I’m using SPSS which should automatically assign one to a categorical variable even if one is not defined. I’m stuck!!
  2. K

    Categorical Variable Coding Question

    Hi! I have a question on the coding/use of categorical variables: In short, I have two control variables in an SPSS regression model. One is participant (15 levels, or participants) and one other categorical variable (10 levels). And there is just one predictor variable in the model. I've tried...