abstract class NeuralNet extends Predictor with Error
The NeuralNet abstract class provides the basic structure and API for
a variety of Neural Networks.
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Instance Constructors
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new
NeuralNet(x: MatriD, y: MatriD, eta: Double)
- x
the m-by-nx input matrix (training data consisting of m input vectors)
- y
the m-by-ny output matrix (training data consisting of m output vectors)
- eta
the learning/convergence rate (adjustable)
Abstract Value Members
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abstract
def
crossVal(k: Int = 10, rando: Boolean = true): Unit
The 'crossVal' abstract method must be coded in implementing classes to call the above 'crossValidate' method.
The 'crossVal' abstract method must be coded in implementing classes to call the above 'crossValidate' method. The 'algor' parameter may be specified as a lambda function to create the prediction algorithm.
- k
the number of crosses and cross-validations (defaults to 10x).
- rando
whether to use randomized cross-validation
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abstract
def
predict(z: MatriD): MatriD
Given a new input matrix 'z', predict the output/response matrix 'f(z)'.
Given a new input matrix 'z', predict the output/response matrix 'f(z)'.
- z
the new input matrix
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abstract
def
predictV(z: VectoD): VectoD
Given a new input vector 'z', predict the output/response vector 'f(z)'.
Given a new input vector 'z', predict the output/response vector 'f(z)'.
- z
the new input vector
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abstract
def
train(): NeuralNet
Given training data 'x' and 'y', fit the parameter/weight matrix.
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abstract
def
weights: Array[MatriD]
Return the weight matrix.
Concrete Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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val
_1: VectorD
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final
def
asInstanceOf[T0]: T0
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val
b: VectoD
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def
clone(): AnyRef
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- def crossValidate(algor: (MatriD, MatriD) ⇒ NeuralNet, k: Int = 10, rando: Boolean = true): Array[Statistic]
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val
e: VectoD
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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var
eta: Double
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def
eval(xx: MatriD, yy: MatriD): Unit
Evaluate the quality of the fit for the parameter/weight matrices on the test dataset.
Evaluate the quality of the fit for the parameter/weight matrices on the test dataset.
- xx
the test input data matrix
- yy
the test output response matrix
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def
eval(): Unit
Evaluate the quality of the fit for the parameter weight matrices on the the entire dataset or the training dataset.
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def
eval(xx: MatriD, yy: VectoD): Unit
Compute the error and useful diagnostics for the test dataset.
Compute the error and useful diagnostics for the test dataset.
- xx
the test data matrix
- yy
the test response vector FIX - implement in classes
- Definition Classes
- Predictor
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def
finalize(): Unit
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val
fitA: Array[Fit]
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def
fitLabel: Seq[String]
Return the labels for the quality of fit measures.
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def
fitMap(): Unit
Show 'fitMap' for each y-column.
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final
def
flaw(method: String, message: String): Unit
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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final
def
isInstanceOf[T0]: Boolean
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val
m: Int
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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final
def
notifyAll(): Unit
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val
nx: Int
- Attributes
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val
ny: Int
- Attributes
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def
parameter: VectoD
Return the vector of parameter/coefficient values.
Return the vector of parameter/coefficient values.
- Definition Classes
- Predictor
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def
predict(z: VectoD): Double
Given a new input vector 'z', predict the output/response value 'f(z)'.
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def
predict(z: VectoI): Double
Given a new discrete data vector z, predict the y-value of f(z).
Given a new discrete data vector z, predict the y-value of f(z).
- z
the vector to use for prediction
- Definition Classes
- Predictor
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def
reset(eta_: Double): Unit
Reset the learning rate 'eta'.
Reset the learning rate 'eta'.
- eta_
the learning rate
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def
residual: VectoD
Return the vector of residuals/errors.
Return the vector of residuals/errors.
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final
def
synchronized[T0](arg0: ⇒ T0): T0
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def
toString(): String
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def
train(yy: VectoD): NeuralNet
Given training data 'x' and 'yy', fit the parameter/weight matrix.
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final
def
wait(): Unit
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def
wait(arg0: Long, arg1: Int): Unit
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def
wait(arg0: Long): Unit
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