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  • Machine Learning in Java
  • AshishSingh Bhatia Bostjan Kaluza
  • 121字
  • 2021-06-10 19:30:02

Logistic regression

Linear regression works when the dependent variable is continuous. If, however, the dependent variable is binary in nature, that is, 0 or 1, success or failure, yes or no, true or false, survived or died, and so on, then logistic regression is used instead. One such example is a clinical trial of drugs where the subject under study either responds to the drugs or does not respond. It is also used in fraud detection where the transaction is either a fraud or not fraud. Normally, a logistic function is used to measure the relationship between dependent and independent variables. It is seen as a Bernoulli distribution and, when plotted, looks similar to a curve in the shape of characters.

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