logit

English

Etymology

Blend of logistic +‎ probit, coined by Joseph Berkson in 1944.

Pronunciation

• IPA^(key): /ˈloʊdʒɪt/

Noun

logit (plural logits)

1. (mathematics) the inverse of the "sigmoid" or "logistic" function used in mathematics, especially in statistics. The logit of a number p between 0 and 1 is given by the formula:

   $\operatorname {logit} (p)=\log \left({\frac {p}{1-p}}\right)=\log(p)-\log(1-p).\!\,$