Al
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a4431dbb27
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[classification] removing regularization update from gradient computation in logistic regression, as that's now handled by the optimizer
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2017-04-02 14:32:14 -04:00 |
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Al
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46cd725c13
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[math] Generic dense matrix implementation using BLAS calls for matrix-matrix multiplication if available
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2016-08-06 00:40:01 -04:00 |
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Al
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562cc06eaf
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[classification] Sparse version of logistic regression gradient which, given an array of the features/columns used in the input batch, only updates the gradient for that batch, even for the operations which otherwise would apply to the entire matrix (scaling by -1/m, regularization)
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2016-01-09 01:33:33 -05:00 |
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Al
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4acf10c3a4
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[classification] Multinomial logistic regression, gradient and cost function
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2016-01-08 01:03:09 -05:00 |
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