Blend oflogistic +unit, by analogy withprobit, coined by Joseph Berkson in 1944:[1] “I use this term [logit] for
following Bliss, who called the analogous function which is linear on
for the normal curve ‘probit.’”
logit (plurallogits)
- (mathematics) the inverse of the "sigmoid" or "logistic" function used inmathematics, especially instatistics. Thelogit of a numberp between 0 and 1 is given by the formula:

- ^Berkson, Joseph (1944) “Application of the Logistic Function to Bio-Assay”, inJournal of the American Statistical Association[1], volume39, number 227 (September), page361
logit
- strongneuternominative/accusativesingular ofloginn
logit
- supine ofljúga