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NYC Machine Learning Review
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Antztein
,
Daniel Lamblin
2
11/14/11
Random Initialization of Theta
rand give you a positive value in the range of 0 to 1. Scaling it as we do gives the range [-epsilon,
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Random Initialization of Theta
rand give you a positive value in the range of 0 to 1. Scaling it as we do gives the range [-epsilon,
11/14/11
sajit
,
Paul Dix
2
11/12/11
Varying lambda
That's right, changing lambda has no effect on the degree. It adjusts how small or large the
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Varying lambda
That's right, changing lambda has no effect on the degree. It adjusts how small or large the
11/12/11
sajit
2
11/4/11
# of nodes in hidden layers
http://stats.stackexchange.com/questions/181/how-to-choose-the-number-of-hidden-layers-and-nodes-in-a
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# of nodes in hidden layers
http://stats.stackexchange.com/questions/181/how-to-choose-the-number-of-hidden-layers-and-nodes-in-a
11/4/11
jake hofman
10/27/11
logistic regression notes
here are some references for more details on logistic regression, from last night's review. cosma
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logistic regression notes
here are some references for more details on logistic regression, from last night's review. cosma
10/27/11
jake
10/27/11
pass by value/reference in matlab/octave
some technical questions on how matlab/octave handle function arguments came up in the review last
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pass by value/reference in matlab/octave
some technical questions on how matlab/octave handle function arguments came up in the review last
10/27/11
Jason Amster
, …
Daniel Lamblin
4
10/24/11
Non-linear Decision Boundaries (Logistic regression videos)
If I recall correctly one thing to try is to divide your sample data (the one with 50000 samples and
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Non-linear Decision Boundaries (Logistic regression videos)
If I recall correctly one thing to try is to divide your sample data (the one with 50000 samples and
10/24/11
Jason Amster
10/20/11
Octave (Matlab) vs. R
It came up in discussion yesterday whether or not you could use R, or any other programming language
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Octave (Matlab) vs. R
It came up in discussion yesterday whether or not you could use R, or any other programming language
10/20/11
sajit
, …
Jason Amster
6
10/20/11
Octave functions
Thanks Jason. That worked. Must have missed that part from the lectures. :-) Sajit On Thu, Oct 20,
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Octave functions
Thanks Jason. That worked. Must have missed that part from the lectures. :-) Sajit On Thu, Oct 20,
10/20/11
Chris Merck
,
Bnsh Bnnrj
3
10/17/11
Regression with Multiple Predicted Variables
OK, here's the octave code that does it (sans data) # First, load the data. load("data.txt
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Regression with Multiple Predicted Variables
OK, here's the octave code that does it (sans data) # First, load the data. load("data.txt
10/17/11