Ordinal variables
Some situations are not described adequately by numerical coordinates, but can be described quite appropriately by ranks. For example : ...
Ordinal variables allow us to rank order the items we measure in terms of which has less and which has more of the quality represented by the variable, but still they do not allow us to say "how much more.
See also: Ordinal Variable, Contents, Ulam Distance
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A discrete ordinal variable resembles a categorical variable, except that the M states of the ordinal value are ordered in a meaningful sequence.
 See also: Measurement, Distribution, Nominal variable, Variance, Knowledge
  
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