Maximum Margin Classifiers in Support Vector Machines

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18 Questions

What happens to the margin position of the hyperplane if the support vectors are deleted?

The margin position remains unchanged

In a linearly separable dataset, why are not all points on the supporting hyperplanes considered support vectors?

Because they do not influence the classifier's decision boundary

What is the main goal when searching for the largest margin classifier in SVM?

To maximize the distance between the classes

How are the weights in SVM determined during optimization?

Only the support vectors determine the weights

What does the hyperplane H0 represent in SVM?

The median plane between H1 and H2

What is the key difference between Maximum Margin Classifiers and Support Vector Classifiers?

Allowing misclassification

Why are support vectors crucial in determining the decision boundary in SVM?

They define the boundaries of each class

Why are Maximum Margin Classifiers very sensitive to outliers?

They optimize the margin based on all data points

What is the purpose of allowing some misclassification in Support Vector Classifiers?

To improve the generalization ability

How does a hard margin differ from a soft margin in Support Vector Machines?

Soft margin allows some errors for better generalization

What trade-off is involved when using a soft margin in Support Vector Machines?

Reduced sensitivity to outliers at the expense of model complexity

How is the best soft margin determined in Support Vector Machines?

Through cross-validation to find the best trade-off between errors and margin size

What is the formula for the margin of a separating hyperplane in Support Vector Machines?

(d+) + (d-)

Why should the decision boundary in SVM be as far away from the data of both classes as possible?

To maximize the margin

In SVM, how can a data point be identified as a support vector?

By removing it resulting in increasing the margin

What is the equation that corresponds to the decision boundary in SVM when trained on a dataset with 6 points, containing three samples with class label -1 and three samples with class label +1?

𝑊𝑋 + b = 0

What is the characteristic of the 𝑊 vector in SVM?

Orthogonal to H1 line

Why are methods like Lagrange multiplier method used in practice to solve SVM?

To handle non-linearly separable data

Explore the concept of Maximum Margin Classifiers in Support Vector Machines and how outliers can impact classification. Learn about the importance of maximizing margin for accurate classification.

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