 neingeist
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10ef3bd80e
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Regularized Gradient
|
10 years ago |
|
neingeist
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111a0d1cca
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Regularized Cost
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10 years ago |
|
neingeist
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e1e66778f8
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Collaborative Filtering Gradient
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10 years ago |
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neingeist
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fc28204594
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Collaborative Filtering Cost
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10 years ago |
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neingeist
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87457bb7b4
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Select threshold
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10 years ago |
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neingeist
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4bc9a2b246
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Estimate Gaussian
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10 years ago |
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neingeist
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33e8cbac01
|
Add exercise 8
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10 years ago |
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neingeist
|
beb652a5be
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Recover data
|
10 years ago |
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neingeist
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798f82ecc1
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Project data
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10 years ago |
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neingeist
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2b98bd80f0
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Implement PCA
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10 years ago |
|
neingeist
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5f3f65c69c
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Random initialization
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10 years ago |
|
neingeist
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6c51a29ca2
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Compute centroid means (vectorized)
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10 years ago |
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neingeist
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39b09f144a
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Compute centroid means (unvectorized)
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10 years ago |
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neingeist
|
f8c0087ff3
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Find closest centroids
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10 years ago |
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neingeist
|
229023b69c
|
Add exercise 7
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10 years ago |
|
neingeist
|
348d6325cb
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Email feature extraction
|
10 years ago |
|
neingeist
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f0d4b4d208
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Preprocess email
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10 years ago |
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neingeist
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203cbc997c
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Implement grid search and determine best parameters for C and sigma
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10 years ago |
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neingeist
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e67166bc8e
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Implement Gaussian kernel
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10 years ago |
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neingeist
|
7ab47a4d35
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Add exercise 6
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10 years ago |
|
neingeist
|
2ab445f9a8
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Compute the test set error
|
10 years ago |
|
neingeist
|
78830aaea7
|
Validation curve function
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10 years ago |
|
neingeist
|
3751214442
|
Use lambda=1 for regularizing the polynomial fit
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10 years ago |
|
neingeist
|
717ea8c788
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Polynomial feature mapping
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10 years ago |
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neingeist
|
1cc58802eb
|
Learning curve function
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10 years ago |
|
neingeist
|
90f2928cee
|
Move .gitignore to top-level directory
|
10 years ago |
|
neingeist
|
2d6da3e3d4
|
Regularized linear regression gradient
|
10 years ago |
|
neingeist
|
6530916642
|
Regularized linear regression cost function
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10 years ago |
|
neingeist
|
d93d111106
|
Add programming exercise 5
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10 years ago |
|
neingeist
|
eccdcc0d81
|
Regularized NN gradient
|
10 years ago |
|
neingeist
|
bdecab8cf8
|
Implement back propagation
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10 years ago |
|
neingeist
|
052f0625c3
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Random initialization
|
10 years ago |
|
neingeist
|
863f1d7157
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Compute the sigmoid gradient
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10 years ago |
|
neingeist
|
395c5676dc
|
Add regularization to the cost function
|
10 years ago |
|
neingeist
|
f2154a8cc1
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Compute cost function for the neural network
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10 years ago |
|
neingeist
|
be6f3cbdef
|
Move PDFs in top directory
|
10 years ago |
|
neingeist
|
a17f47e396
|
Add programming exercise 4
|
10 years ago |
|
neingeist
|
073fbf0204
|
Add neural network prediction function
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10 years ago |
|
neingeist
|
3bf3d9fdc3
|
Add prediction function for one-vs-all classification
|
10 years ago |
|
neingeist
|
cf0d25440c
|
Train num_labels one-vs-all logistic regression classifiers
|
10 years ago |
|
neingeist
|
9117809537
|
Vectorized regularized logistic regression, again
|
10 years ago |
|
neingeist
|
326a924044
|
Add exercise 3
|
10 years ago |
|
neingeist
|
f9243ef593
|
Simplify regularization term
|
10 years ago |
|
neingeist
|
9e9b9990bb
|
Compute the gradient for regularized logistic regression
|
10 years ago |
|
neingeist
|
f391ac661e
|
Add cost function for regularized logistic regression
|
10 years ago |
|
neingeist
|
224a17e4d3
|
Plot negative samples in red
|
10 years ago |
|
neingeist
|
c0b4d95f75
|
Predict
|
10 years ago |
|
neingeist
|
31c4ac1967
|
Compute the gradient for logistic regression
|
10 years ago |
|
neingeist
|
8c100a3f49
|
Compute the cost function for logistic regression
|
10 years ago |
|
neingeist
|
b863a3863e
|
.gitignore ml_login_data.mat
|
10 years ago |