In recipes, there are no constraints related to the order in which steps are added to the recipe. However, there are some general suggestions that you should consider:
step_dummyfirst so that numeric columns are in the data set instead of factors.
step_interact, you should make dummy variables before creating the interactions.
While your project's needs may vary, here is a suggested order of potential steps that should work for most problems:
Again, your milage may vary for your particular problem.
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