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mock 2014 positive definite even though negative
Exams
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118
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3
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12 Jan '21
Hello,
For the 2rd question on poisson regression: I don't understand why the negative of a posi…
Linear separability for linear regression.
Lectures
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327
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7
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12 Jan '21
Dear TAs,
I am struggling to understand why linear separability matters for linear regression. I…
how do we know link function
Lectures
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94
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3
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12 Jan '21
Hi,
In parameter estimation since we don't know eta, how do we know the link function g needed to…
Why "D vs N does not matter at all"? Final 2017 Problem 18
Exams
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268
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3
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12 Jan '21
Hi,
We discussed the D>N problem in handout 01c. I don't understand why the answer to Problem 18…
Problem 24 first question
Exams
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288
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4
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12 Jan '21
Hi I don't understand why the last matrix inequality in the solution holds? Is this a property of a…
Clarification adversarial example
Exercises
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159
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6
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12 Jan '21
Hi,
I have a question regarding the solution of the problem set 10. Here :
![screen3.jpg](https…
How to derive the slope of an optimal linear regression?
Exams
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259
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5
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12 Jan '21
Hello,
How is alpha found for this problem? I understand that
\alpha = cov(x,y)/var(x\)
I a…
Bayes vs training !
Uncategorized
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83
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2
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11 Jan '21
Helloooo
I was wondering....
Can the training error be equal to the Bayes classifier without over…
Question 1 confidence intervals
Exams
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224
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6
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11 Jan '21
Hi,
Can anyone explain as to why we need 9N samples for the CI to shrink to sigma/3?
I can't…
Computaional cost for grid search
Lectures
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82
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2
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11 Jan '21
I am having trouble computing the computational cost for grid search. Can someone please help with …
Problem 10 - Exam 2017 - Neural Net with ReLUs
Exams
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118
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2
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11 Jan '21
Hello all !
I have trouble understanding the following question :
![scredden.jpg](https://oknona…
"It is good to let your model overfit"
Exams
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172
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4
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11 Jan '21
Hello,
I was quite surprised by this sentence (Q19) when I read it is correct. Therefore, I look…
question 20
Exams
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123
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1
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11 Jan '21
Hello,
I have a hard time understanding the rigorous way to go about these kinds of question
…
2018 exam problem 7
Exams
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311
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7
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11 Jan '21
Hi, TA. I would like to ask why the partial derivative of w1 is not changed, I did not understand t…
Question 1 confidence intervals
Exams
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78
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1
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11 Jan '21
Hi,
Can anyone explain as to why we need 9N samples for the CI to shrink to sigma/3?
I can't…
gan objective vs individual losses
Lectures
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60
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1
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11 Jan '21
hello,
I don't understand the link between the objective function and the individual losses. We …
GAN algorithm
Lectures
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213
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4
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11 Jan '21
Hello,
For the GAN algorithm, there are two different versions, one in the original slides and on…
Mock 2018: MCQ
Exams
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147
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2
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11 Jan '21
Hello,
For this question: [quest.JPG](https://oknoname-crm1.s3.amazonaws.com/spirit/images/217/1…
Matrix factorization exercise
Exams
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177
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2
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11 Jan '21
Hi! I was trying to do this last exercise of 2016 exam, but I can't understand the solution to the …