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Author SHA1 Message Date
Ningping Wang
dca2e11c02 move liblinear to ext/ 2014-05-09 18:19:55 +08:00
Ningping Wang
7f1e235323 Merge remote-tracking branch 'ups/master' 2014-05-09 17:42:28 +08:00
Stephen Whitworth
9f3d9eaa64 Update linear_regression.go 
Removing merge conflict.
 2014-05-06 23:13:02 +01:00
Ningping Wang
0d62bc67e5 change test to goconvey; modify makefile 2014-05-06 12:55:58 +08:00
Stephen Whitworth
d069d68d05 Merge branch 'master' of https://github.com/sjwhitworth/golearn 2014-05-05 22:49:06 +01:00
Stephen Whitworth
1ade0afca6 Refactored KNN to implement the estimator interface 2014-05-05 22:41:55 +01:00
Stephen Whitworth
3850153945 Merge pull request #20 from sjwhitworth/feature/ifesdjeen/distances2 
Remeake of my previous distances branch
 2014-05-05 22:17:23 +01:00
Stephen Whitworth
3eaeafd0dc Merge branch 'feature/ifesdjeen/distances2' of https://github.com/sjwhitworth/golearn into optimisation 2014-05-05 21:57:08 +01:00
Stephen Whitworth
7e8eb70cd1 Implemented batch and stochastic gradient descent 2014-05-05 21:40:51 +01:00
Stephen Whitworth
cd43a6565d Implemented batch and stochastic gradient descent 2014-05-05 21:40:33 +01:00
Alex Petrov
93894245ad Change wording for Eucledian Distance comments 2014-05-05 22:30:04 +02:00
Bert Chang
1e21802d2e Use AlmostEqual for numerical comparison. 2014-05-05 23:28:49 +08:00
npbool
be85fca03c cleanup 2014-05-05 21:57:53 +08:00
npbool
05782e9ccc logistic regression, using liblinear 2014-05-05 21:50:13 +08:00
Alex Petrov
1d250aab6b Remove unused subVector calls 2014-05-05 08:45:29 +02:00
Alex Petrov
13327e9250 Run goftm on all files ti fix indentation 2014-05-05 08:32:38 +02:00
Stephen Whitworth
dc96e818d8 Made a start on gradient descent 2014-05-05 02:39:00 +01:00
Alex Petrov
ad77c0dc7e Add Chebyshev and Cranberra distances, improve Manhattan distance 
Previously, Manhattan distance measure was only able to calculate
vector distances. Now, it's possible to calculate distances on
matrices, too, without unnecessary overhead of copying vectors,
doing an in-place lookups.
 2014-05-04 23:11:37 +02:00
Alex Petrov
1c22641a3b Fix manhattan distance calculation 2014-05-04 22:58:32 +02:00
Stephen Whitworth
b4abf54c07 Changing comments to play nicely with godoc 2014-05-04 09:57:57 +01:00
Stephen Whitworth
73e7df1ef0 Refactored KNN 2014-05-04 09:53:53 +01:00
Stephen Whitworth
99b7f26f09 Merge branch 'master' of https://github.com/sjwhitworth/golearn into docs 2014-05-04 09:52:27 +01:00
Stephen Whitworth
82e5bf014f Refactored knn 2014-05-04 09:52:13 +01:00
Stephen Whitworth
7090138b88 Update golearn.go 2014-05-04 09:49:20 +01:00
Stephen Whitworth
ea3b3842c9 Update utilities.go 2014-05-04 09:48:00 +01:00
Stephen Whitworth
aee7e69e7b Update knn.go 2014-05-04 09:39:21 +01:00
Stephen Whitworth
a92d830ec3 Update golearn.go 2014-05-04 09:38:35 +01:00
Stephen Whitworth
71e9a8502c Update golearn.go 2014-05-04 09:37:02 +01:00
Stephen Whitworth
be7ac21a55 Update README.md 2014-05-04 09:31:31 +01:00
Stephen Whitworth
79e240df3d Update README.md 2014-05-04 09:30:38 +01:00
Stephen Whitworth
94077bd6db Merge pull request #18 from sjwhitworth/interfaces 
KNN, Metrics and interface design
 2014-05-04 09:22:31 +01:00
Stephen Whitworth
822b4c389f Finished an implementation of KNN 2014-05-03 23:08:43 +01:00
Stephen Whitworth
0c4d803b5b Update README.md 2014-05-03 18:38:20 +01:00
Stephen Whitworth
7b741964f3 Update README.md 2014-05-03 18:36:08 +01:00
Stephen Whitworth
a903ad288e Merge pull request #15 from nbsantos/cross-validation 
Cross validation
 2014-05-03 17:52:12 +01:00
Stephen Whitworth
798751c839 Merge pull request #12 from sjwhitworth/metrics 
Metrics
 2014-05-03 17:37:51 +01:00
Nelson Santos
779ad2842e Moved to own package and added concurrency support 
Moved the function to the cross_validation package. Also modified the
shuffling function to run concurrently.
 2014-05-03 12:01:38 -04:00
Bert Chang
551dfc8cc1 Add doc link to README. 2014-05-03 23:06:28 +08:00
Bert Chang
1ec702a1e5 Add documents. 2014-05-03 23:05:24 +08:00
Bert Chang
9a61332551 Make manhattan support both col&row vectors. 2014-05-03 22:47:41 +08:00
Bert Chang
b045cf83a5 Add manhattan distance. 2014-05-03 22:27:34 +08:00
Bert Chang
6517c838c4 Add basic PolyKernel and RBFKernel test. 2014-05-03 22:02:39 +08:00
Bert Chang
83faf52273 Remove examples, remove CheckDimMatch. 2014-05-03 15:29:07 +08:00
Nelson Santos
030d9844c6 Added Mac and IntelliJ files to gitignore. 2014-05-02 22:38:45 -04:00
Nelson Santos
b09a1cecae Refactored function to use mat64. 
Changed most of the actual matrix operations to use the mat64 library.
 2014-05-02 22:38:15 -04:00
Nelson Santos
2b6249775f Started working on cross-validation tools. 
Created TrainTestSplit function to split train and test datasets.
 2014-05-02 20:50:14 -04:00
Bert Chang
0b85e5d752 Migrate to mat64 in poly_kernel. 2014-05-03 01:19:12 +08:00
Bert Chang
985ccc9d19 We don't need to manually handle error anymore. 2014-05-03 01:07:33 +08:00
Bert Chang
804cd82cfc Use gonum/matrix/mat64, life is easier. 2014-05-03 00:56:28 +08:00
Bert Chang
4fc0ed0477 Add euclidean distance test. 2014-05-02 23:49:06 +08:00