The variation ratio is a simple measure of statistical dispersion in nominal distributions; it is the simplest measure of qualitative variation. It is defined as the proportion of cases which are not in the mode category: v := 1 − f m N , {\displaystyle \mathbf {v} :=1-{\frac {f_{m}}{N}},} where fm is the frequency (number of cases) of the mode, and N is the total number of cases.
The variation ratio is a simple measure of statistical dispersion in nominal distributions; it is the simplest measure of qualitative variation. It is defined as the proportion of cases which are not in the mode category: v := 1 − f m N , {\displaystyle \mathbf {v} :=1-{\frac {f_{m}}{N}},} where fm is the frequency (number of cases) of the mode, and N is the total number of cases.
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