Week 4 Flashcards

1
Q

What is the idea of SVM?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the hyperplane that SVM chooses?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the margin in SVM, and support vectors?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the technical definition of SVMs?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the definition of a hard margin SVM?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Why is hard margin SVM not ideal?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is soft margin SVM? What is its definition?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

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

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

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

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

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

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

How to solve Soft margin SVM directly?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the idea behind extending the feature space?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the direct SVM problem with a polynomial kernel?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the Radial Basis Function kernel?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Compare SVM vs NN.

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

How does Support Vector Regression work?

17
Q

What should the requirements of an ML project specify?

18
Q

What are the two options of dealing with categorical data

19
Q

How to deal with missing values?

20
Q

How to enforce normilization?

21
Q

What is data augmentation? What are some challenges?

22
Q

What is the idea of model learning?

23
Q

What is the difference between hyperparameters and internal parameters?

24
Q

What is the train/dev/test split?

25
Q

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

26
Q

What is the k-fold Cross-validation?

27
Q

What is the generalization ability?

28
Q

When is accuracy not a good indicator of performance?

29
Q

What is a confusion matrix?

30
Q

Which metrics can be derived from a confusion matrix?