December 2018
Intermediate to advanced
158 pages
3h 58m
English
Content preview from Deep Learning with PyTorch Quick Start Guide
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Logistic regression
We can use the linear regression model to perform binary classification by finding a decision boundary that divides two predicted classes. A common way to do this is by using a sigmoid function, defined as the following:
The plot of the sigmoid function looks like this:
The sigmoid function can be used in the hypothesis function, to output a probability, as follows:
Here, the output of the hypothesis function is the probability ...
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