marginality

noun

mar·​gin·​al·​i·​ty ˌmärjəˈnalətē 

plural -es

1

: the quality or state of being marginal

2

: the quality or state of relating to or being a function of a random variable that is obtained from a function of several random variables by integrating or summing over all possible values of the other variables

the marginality of the probability function

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