Package weka.core.pmml

Class VectorInstance

java.lang.Object
weka.core.pmml.VectorInstance
All Implemented Interfaces:
Serializable
public class VectorInstance extends Object implements Serializable
Class encapsulating a PMML VectorInstance construct
Version:
$Revision: 8034 $
Author:
Mark Hall (mhall{[at]}pentaho{[dot]}com)
See Also:

  • Constructor Details

    • VectorInstance

      public VectorInstance(Array values, List<FieldRef> vectorFields)
      Constructor
      Parameters:
      values - the Array of values for this vector instance
      vectorFields - the mining fields indexed by this vector instance

    • VectorInstance

      public VectorInstance(Element vecElement, List<FieldRef> vectorFields) throws Exception
      Constructor
      Parameters:
      vecElement - PMML element containing this vector instance
      vectorFields - the mining fields indexed by this vector instance
      Throws:
      Exception - if something goes wrong

  • Method Details

    • getID

      public String getID()
      Get the ID of this vector instance
      Returns:
      the ID of this vector instance

    • getValues

      public Array getValues()
      Get the Array of values encapsulated in this vector instance
      Returns:
      the Array of values encapsulated in this vector instance

    • getVectorFields

      public List<FieldRef> getVectorFields()
      Get the mining fields that are indexed by this vector instance
      Returns:
      the mining fields that are indexed by this vector instance

    • subtract

      public VectorInstance subtract(double[] other) throws Exception
      Subtract the values in the supplied array from this vector instance
      Parameters:
      other - an array of values
      Returns:
      a new VectorInstance containing the result of the subtraction
      Throws:
      Exception - if something goes wrong

    • subtract

      public VectorInstance subtract(VectorInstance other) throws Exception
      Subtract the supplied VectorInstance from this one and return the result as a new VectorInstance
      Parameters:
      other - the vector instance to subtract
      Returns:
      a new VectorInstance containing the result of the subtraction
      Throws:
      Exception - if something goes wrong

    • dotProduct

      public double dotProduct(VectorInstance other) throws Exception
      Computes the dot product between this vector instance and the argument
      Parameters:
      other - the vector instance to perform the dot product with
      Returns:
      the dot product of this and the supplied vector instance
      Throws:
      Exception - if something goes wrong

    • dotProduct

      public double dotProduct(double[] other) throws Exception
      Computes the dot product between this vector instance and the supplied array of values
      Parameters:
      other - an array of values to perform the dot product with
      Returns:
      the dot product of this vector instance with the argument
      Throws:
      Exception - if something goes wrong