Package es.uam.eps.ir.relison.links.data.ml.weka

Class WekaInstanceSet<U>

java.lang.Object
es.uam.eps.ir.relison.links.data.ml.weka.WekaInstanceSet<U>
public class WekaInstanceSet<U>
extends java.lang.Object
Instance set to use with Weka classifiers.

  • Field Summary

    Fields 
    Modifier and Type Field Description
    private java.util.Map<U,​java.util.Map<U,​java.lang.Integer>> destInstances
    A map that links the (u,v) link with the instance, indexed by the destination node.
    private weka.core.FastVector features
    The information about the different features in the dataset.
    private int numInstances
    The total number of instances.
    private java.util.Map<U,​java.util.Map<U,​java.lang.Integer>> origInstances
    A map that links the (u,v) link with the instance, indexed by the origin node.
    private java.util.List<Pair<U>> users
    The set of user pairs in the instance set.
    private weka.core.Instances values
    The set of Weka instances of the dataset.

  • Constructor Summary

    Constructors 
    Constructor Description
    WekaInstanceSet​(weka.core.FastVector features, java.lang.String name)
    Constructor.

  • Method Summary

    Modifier and Type Method Description
    void addInstance​(U u, U v, weka.core.Instance instance)
    Adds a pattern associated to a given edge.
    weka.core.FastVector getFeatures()
    Obtains the vector containing the attributes.
    weka.core.Instance getInstance​(U u, U v)
    Obtains an individual instance.
    java.util.Map<Pair<U>,​java.lang.Integer> getInstanceMap()
    Obtains a relationship between pairs of users and instances.
    weka.core.Instances getInstances()
    Obtains the whole set of instances.
    java.util.Map<U,​weka.core.Instance> getInstancesWithDest​(U v)
    Gets the set of instances which have a user as destination of the edge.
    java.util.Map<U,​weka.core.Instance> getInstancesWithOrigin​(U u)
    Gets the set of instances which have a user as origin of the edge.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • features

      private final weka.core.FastVector features
      The information about the different features in the dataset.

    • values

      private final weka.core.Instances values
      The set of Weka instances of the dataset.

    • origInstances

      private final java.util.Map<U,​java.util.Map<U,​java.lang.Integer>> origInstances
      A map that links the (u,v) link with the instance, indexed by the origin node.

    • destInstances

      private final java.util.Map<U,​java.util.Map<U,​java.lang.Integer>> destInstances
      A map that links the (u,v) link with the instance, indexed by the destination node.

    • users

      private final java.util.List<Pair<U>> users
      The set of user pairs in the instance set.

    • numInstances

      private int numInstances
      The total number of instances.

  • Constructor Details

    • WekaInstanceSet

      public WekaInstanceSet​(weka.core.FastVector features, java.lang.String name)
      Constructor.
      Parameters:
      features - the information about the features in the dataset.
      name - name of the dataset (f.ex: train/test).

  • Method Details

    • addInstance

      public void addInstance​(U u, U v, weka.core.Instance instance)
      Adds a pattern associated to a given edge.
      Parameters:
      u - the origin user.
      v - the destination user.
      instance - the pattern.

    • getInstances

      public weka.core.Instances getInstances()
      Obtains the whole set of instances.
      Returns:
      the whole set of instances.

    • getFeatures

      public weka.core.FastVector getFeatures()
      Obtains the vector containing the attributes.
      Returns:
      the attributes.

    • getInstance

      public weka.core.Instance getInstance​(U u, U v)
      Obtains an individual instance.
      Parameters:
      u - the origin user.
      v - the destination user.
      Returns:
      the instance if it exists, null otherwise

    • getInstancesWithOrigin

      public java.util.Map<U,​weka.core.Instance> getInstancesWithOrigin​(U u)
      Gets the set of instances which have a user as origin of the edge.
      Parameters:
      u - the origin of the edge.
      Returns:
      a map containing the instances which have u as origin user.

    • getInstancesWithDest

      public java.util.Map<U,​weka.core.Instance> getInstancesWithDest​(U v)
      Gets the set of instances which have a user as destination of the edge.
      Parameters:
      v - the destination of the edge.
      Returns:
      a map containing the instances which have v as destination user.

    • getInstanceMap

      public java.util.Map<Pair<U>,​java.lang.Integer> getInstanceMap()
      Obtains a relationship between pairs of users and instances.
      Returns:
      the relationship between pairs of users and instances.