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Building Machine Learning Projects with TensorFlow by Rodolfo Bonnin

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The logistic function

The logistic function will serve us to represent the binary options in our new regression tasks.

In the following figure, you will find the graphical representation of the sigmoid function:

The logistic function

Graphical representation of the logistic function or Sigmoid

Logistic function as a linear modeling generalization

The logistic function δ(t) is defined as follows:

Logistic function as a linear modeling generalization

The normal interpretation of this equation is that t represents a simple independent variable. But we will improve this model, and will assume that t is a linear function of a single ...

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