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What is logistic regression? Or State an example when you have used logistic regression recently.

its about What is logistic regression Or State an example when you have used logistic regression recently.


Asked On2019-09-03 18:40:06 by:Annaliya

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Logistic regression is basically a supervised classification algorithm. In a classification problem, the target variable(or output), y, can take only discrete values for given set of features(or inputs), X.

Contrary to popular belief, logistic regression IS a regression model. The model builds a regression model to predict the probability that a given data entry belongs to the category numbered as “1”. Just like Linear regression assumes that the data follows a linear function, Logistic regression models the data using the sigmoid function.

g(z) = \frac{1}{1 + e^-^z}\

Logistic regression becomes a classification technique only when a decision threshold is brought into the picture. The setting of the threshold value is a very important aspect of Logistic regression and is dependent on the classification problem itself.

e.g. it can be used to analyse the titanic dataset


Answerd on:2019-09-04 Answerd By:Tanisha-Garg

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