breeze.classify.LinearClassifier.scala Maven / Gradle / Ivy
package breeze.classify
/*
Copyright 2010 David Hall, Daniel Ramage
Licensed under the Apache License, Version 2.0 (the "License")
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import breeze.serialization.DataSerialization.ReadWritable
import breeze.serialization.{SerializationFormat, DataSerialization}
import breeze.linalg._
import breeze.linalg.operators._
import breeze.math.{MutableCoordinateSpace, TensorSpace, VectorSpace}
import breeze.linalg.support.{CanCopy, CanZipMapValues, CanNorm, CanCreateZerosLike}
import breeze.generic.{URFunc, UReduceable, CanMapValues}
import breeze.util.{Index, MutableIndex}
import collection.mutable.ArrayBuffer
/**
* A LinearClassifier is a multi-class classifier with decision
* function:
*
* \hat y_i = \arg\max_y w_y^T x_i + b_y
*
*
* @author dlwh
*
*/
@SerialVersionUID(1L)
class LinearClassifier[L,T2, TL, TF]
(val featureWeights: T2, val intercepts: TL)
(implicit viewT2 : T2<: