1 1 Training A Binary Classifier – Supervised Learning | Machine Learning

Introduction

In the Foundations tab we predicted numbers (house prices) — that's regression. Now we switch to classification: predicting a category.

The simplest kind is binary classification: there are only two possible answers.

Is this email spam? yes / no
Will this customer cancel? yes / no
Is this transaction fraud? yes / no
Is this picture the digit 5? yes / no

We'll learn with the most famous practice dataset in machine learning — handwritten digits — and build a "5-detector": a model that looks at an image and answers "is it a 5 or not?"

Introduction

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