Matei Zaharia
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d3ce898b8e
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Scaffolding and model for K-means
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2013-07-05 11:13:46 -07:00 |
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Matei Zaharia
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3c046a6eca
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Some small fixes to ALS.
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2013-07-05 11:13:46 -07:00 |
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Matei Zaharia
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6f0ebb2db2
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Remove unused import
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2013-07-05 11:13:46 -07:00 |
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Matei Zaharia
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d903b3887f
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Initial implementation of Alternating Least Squares.
Includes unit tests and sample data to run on.
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2013-07-05 11:13:46 -07:00 |
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Matei Zaharia
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05be233ce2
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Removed dependency on Apache Commons Math
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2013-07-05 11:13:46 -07:00 |
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Shivaram Venkataraman
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39ed41652b
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Move to regression, util and gradient packages
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2013-07-05 11:13:46 -07:00 |
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Shivaram Venkataraman
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43b398db6a
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Fix logistic regression to not center data.
Also add a feature to get the intercept correct and test these
using a small unit test.
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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6dd3a816c8
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Use a private constructor instead of private vars
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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76acc9fe9d
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Make regression arguments private and add method to predict one point
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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3a6924cb8f
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Clean up some comments.
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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6aadaf4d71
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Move normalization to MLUtils and remove Regression trait.
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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2d0e64900e
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Convert regression classes to builder pattern.
Remove extraneous methods and classes
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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ed32ec2b3b
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Update test based on interface changes
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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fd137bd7c6
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Address Reynold's comments. Also use a builder pattern to construct the regression classes.
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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48770419bd
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Add random data used for LR testing.
Verified that results match with glm in R
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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282c8ed788
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Add LogisticRegression using StochasticGradientDescent.
Also refactor RidgeRegression and LogisticRegression to re-use code
and update the test as well
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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b9d9b6f981
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Add a unit test for Ridge Regression
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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4dc13bf5be
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Revert back to closed form CV error
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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c8169c0a33
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Add LPSA data set.
Data from
http://www-stat.stanford.edu/~tibs/ElemStatLearn/datasets/prostate.data
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2013-07-05 11:13:45 -07:00 |
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Shivaram Venkataraman
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c070decb8e
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Add methods to normalize the data before training
Also update model after training based appropriately.
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2013-07-05 11:13:45 -07:00 |
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Reynold Xin
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6a9a9a364c
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Minor clean up of the RidgeRegression code. I am not even sure why I did
this :s.
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2013-07-05 11:13:45 -07:00 |
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Matei Zaharia
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729e463f64
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Import RidgeRegression example
Conflicts:
run
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2013-07-05 11:13:41 -07:00 |
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