Problem Sets Feedback

[wxindu]

Problem Set #1 Feedback

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Good work. Next time if you are unsure about what a question is asking, feel free to come to Andrew's office hour or study sessions. :)
Also, it would be great if you can put all your problem sets in one file, like how you have a file for the labs. :)

Exercise 1:
Good

Exercise 2:
Good. One thing, response variables should not be counted as predictors, thus the correct answer should have:
a) p = 3
b) p = 13
c) p = 3

Exercise 4:
Good

Exercise 5:
Good

Exercise 6:
Good

Additional Exercises:
Refer to Page 11 in the textbook where it discusses the matrix notation oaf inputs, outputs, etc.. Think about this case, what are the inputs? What will be the transformed inputs? How do you represent them in the notations introduced in the textbook?