How do you convert ordered data to nominal data?

Answer 1

I think you mean ordinal data. Similar to the Golf tournament, you need to determine where to "cut" (from the ordinal data) so as to divide the data into different categories (to the nominal data).

For example, if the ordinal data range from 1 to 6 (where 1 = the best) and the cut is 3, then you convert all the numbers from 1 to 3 to "1" (which represents "good") and the all numbers from 4 to 6 to "2" (which represents "bad"). In other words, 1, 2, and 3 from the original ordinal data set are converted to "1" (ordinal data); whereas 4, 5, and 6 from the original date set now become "2" (ordinal data).

Eddie T.C. Lam