Which is an example of a classification task?

This task predicts one of two classes, malignant or not malignant.

<img src="https://reaskly.com/wp-content/uploads/2022/09/d60aeff4-f74f-459c-b70d-9c06c64458d7image2-1.png" alt="Reaskly" <br> A cat photo classification model predicts 1 if it's a cat, and 0 if it's not a cat. For a particular photograph, the logistic regression model outputs g(z)g(z) (a number between 0 and 1). Which of these would be a reasonable criteria to decide whether to predict if it’s a cat?

Think of g(z) as the probability that the photo is of a cat. When this number is at or above the threshold of 0.5, predict that it is a cat.

The decision boundary can also be non-linear, as described in the lectures.

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