The sigmoid or logistic function

The logistic function will represent the binary options we are representing in our new regression tasks. The logistic function is defined as follows (changing the independent variable from α to t for clarity):

You will find this new figure common in the following sections, because it will be used very frequently as an activation function for neural networks and other applications. In the following figure, you will find the graphical representation of the sigmoid function:

Standard sigmoid

How can we interpret ...

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