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  1. Z

    Restructure from wide to long dataset with missing time points

    Hi, I'm trying to restructure a wide dataset into a long one with variables at 3 time points ( M1, M2, M3). However, for some variables I don't have data for all three time points, meaning I only have M1 and M2 or M2 and M3 only. While restructuring SPSS gives me this message: 'The same number...
  2. Z

    Restructuring: unequal number of source variable for each target variable

    Hi, I'm having the same issue. Is there any solution to this?