And where pray tell does the Make information come from?
Are you implying that Obs 1, 8 and 15 come from the same make? If so which one? Your starting data description is incomplete. And without explicit directions on where to find Make information likely going to teach very bad habits about constructing data.
I know I can put together a data set if proper descriptions are included but I suggest that whoever provided the "not a data set ONE" should be whipped with wet spaghetti noodles. Relying on a not stated order and number of responses to align data is asking for failed processes.
For instance what if the set one had 19 or 22 obs in it? What would the result look like?
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