Machine Learning for Email by White John Myles Conway Drew

Author:White, John Myles, Conway, Drew [Drew Conway and John Myles White]
Language: eng
Format: epub
Tags: COMPUTERS / Programming / Algorithms
ISBN: 9781449320706
Publisher: O'Reilly Media
Published: 2011-10-24T16:00:00+00:00

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[6] The same person who invented the word “bit”.

[7] When you’re interested, we’d recommend reading Judea Pearl’s Causality Pea05.

Chapter 3. Classification: Spam Filtering

This or That: Binary Classification

At the very end of the previous chapter, we quickly presented an example of classification. We used heights and weights to predict whether a person was a man or a woman. With our example graph, we were able to draw a line that split the data into two groups: one group where we would predict “male” and another group where we would predict “female.” This line was called a separating hyperplane, but we’ll use the term “decision boundary” from now on, because we’ll be working with data that can’t be classified properly using only straight lines. For example, imagine that your data looked like the data set shown in Figure 3-1.

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