In statistics, Logistic Regression, or logit regression, or logit model is a regression model where the dependent variable (DV) is categorical.
This article covers the case of a binary dependent variable—that is, where the output can take only two values, "0" and "1", which represent outcomes such as pass/fail, win/lose, alive/dead or healthy/sick. Cases where the dependent variable has more than two outcome categories may be analysed in multinomial logistic regression, or, if the multiple categories are ordered, in ordinal logistic regression.
In the terminology of economics, logistic regression is an example of a qualitative response/discrete choice model. Logistic Regression was developed by statistician David Cox in 1958.
The binary logistic model is used to estimate the probability of a binary response based on one or more predictor (or independent) variables (features).