Example usage for weka.core UnassignedDatasetException UnassignedDatasetException

Introduction

In this page you can find the example usage for weka.core UnassignedDatasetException UnassignedDatasetException.

Prototype

public UnassignedDatasetException(String message) 

Source Link

Document

Creates a new UnassignedDatasetException.

Usage

From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns the attribute with the given index.
 *
 * @param index the attribute's index/*from  www. j  a v a 2 s. co  m*/
 * @return the attribute at the given position
 * @throws UnassignedDatasetException if instance doesn't have access to a
 * dataset
 */
//@ requires m_Dataset != null;
public /*@pure@*/ Attribute attribute(int index) {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.attribute(index);
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns the attribute with the given index. Does the same
 * thing as attribute().//from  ww w .j a va  2s .co  m
 *
 * @param indexOfIndex the index of the attribute's index 
 * @return the attribute at the given position
 * @throws UnassignedDatasetException if instance doesn't have access to a
 * dataset
 */
//@ requires m_Dataset != null;
public /*@pure@*/ Attribute attributeSparse(int indexOfIndex) {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.attribute(indexOfIndex);
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns class attribute.//from w w  w  . j  a va2s .  c o  m
 *
 * @return the class attribute
 * @throws UnassignedDatasetException if the class is not set or the
 * instance doesn't have access to a dataset
 */
//@ requires m_Dataset != null;
public /*@pure@*/ Attribute classAttribute() {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.classAttribute();
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns the class attribute's index./*  w w w .jav a2 s  .com*/
 *
 * @return the class index as an integer 
 * @throws UnassignedDatasetException if instance doesn't have access to a dataset 
 */
//@ requires m_Dataset != null;
//@ ensures  \result == m_Dataset.classIndex();
public /*@pure@*/ int classIndex() {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.classIndex();
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns an enumeration of all the attributes.
 *
 * @return enumeration of all the attributes
 * @throws UnassignedDatasetException if the instance doesn't
 * have access to a dataset /*from ww w  .  j ava 2s  .  c  o m*/
 */
//@ requires m_Dataset != null;
public /*@pure@*/ Enumeration enumerateAttributes() {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.enumerateAttributes();
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Tests if the headers of two instances are equivalent.
 *
 * @param inst another instance// w  w w  .  j  a  v  a  2s  .co  m
 * @return true if the header of the given instance is 
 * equivalent to this instance's header
 * @throws UnassignedDatasetException if instance doesn't have access to any
 * dataset
 */
//@ requires m_Dataset != null;
public /*@pure@*/ boolean equalHeaders(Instance inst) {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.equalHeaders(inst.m_Dataset);
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Tests whether an instance has a missing value. Skips the class attribute if set.
 * @return true if instance has a missing value.
 * @throws UnassignedDatasetException if instance doesn't have access to any
 * dataset//from   www.j  av a 2 s  . c o m
 */
//@ requires m_Dataset != null;
public /*@pure@*/ boolean hasMissingValue() {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    for (int i = 0; i < numAttributes(); i++) {
        if (i != classIndex()) {
            if (isMissing(i)) {
                return true;
            }
        }
    }
    return false;
}

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From source file:com.jgaap.util.Instance.java

License:Open Source License

/**
 * Returns the number of class labels./*from  w  w w.j  ava  2 s  .  c  om*/
 *
 * @return the number of class labels as an integer if the 
 * class attribute is nominal, 1 otherwise.
 * @throws UnassignedDatasetException if instance doesn't have access to any
 * dataset
 */
//@ requires m_Dataset != null;
public /*@pure@*/ int numClasses() {

    if (m_Dataset == null) {
        throw new UnassignedDatasetException("Instance doesn't have access to a dataset!");
    }
    return m_Dataset.numClasses();
}

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