Week 4 Flashcards

1
Q

What is the idea of SVM?

A
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2
Q

What is the hyperplane that SVM chooses?

A
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3
Q

What is the margin in SVM, and support vectors?

A
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4
Q

What is the technical definition of SVMs?

A
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5
Q

What is the definition of a hard margin SVM?

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6
Q

Why is hard margin SVM not ideal?

A
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7
Q

What is soft margin SVM? What is its definition?

A
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8
Q

What are common values for C in the soft-margin SVM? When is the hard margin SVM recovered?

A
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9
Q

What are the two options for solving soft margin SVM problems?

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10
Q

How to rewrite the soft-margin SVM as a unconstrained optimization problem?

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11
Q

How to solve Soft margin SVM directly?

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12
Q

What is the idea behind extending the feature space?

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13
Q

What is the direct SVM problem with a polynomial kernel?

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14
Q

What is the Radial Basis Function kernel?

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15
Q

Compare SVM vs NN.

A
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16
Q

How does Support Vector Regression work?

A
17
Q

What should the requirements of an ML project specify?

A
18
Q

What are the two options of dealing with categorical data

A
19
Q

How to deal with missing values?

A
20
Q

How to enforce normilization?

A
21
Q

What is data augmentation? What are some challenges?

A
22
Q

What is the idea of model learning?

A
23
Q

What is the difference between hyperparameters and internal parameters?

A
24
Q

What is the train/dev/test split?

A
25
Q

What is the size of the train/dev/test groups?

A
26
Q

What is the k-fold Cross-validation?

A
27
Q

What is the generalization ability?

A
28
Q

When is accuracy not a good indicator of performance?

A
29
Q

What is a confusion matrix?

A
30
Q

Which metrics can be derived from a confusion matrix?

A