» The logit function's an important part of discrete choice and logistic regression: for more information, please see those articles. This article discusses binary logit only. See discrete choice for a discussion of multinomial logit, conditional logit, nested logit, mixed logit, exploded logit, and ordered logit. The logit function's the inverse of the "sigmoid", or "logistic" function used in mathematics, especially in statistics. The logit of a number p between 0 and 1's given by the formula… (More on Logit)