Example usage for weka.core Instances Instances

Introduction

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

Prototype

public Instances(Instances dataset)

Source Link

Document

Constructor copying all instances and references to the header information from the given set of instances.

Usage

From source file:edu.umbc.cs.maple.utils.WekaUtils.java

License:Open Source License

/** Merge two instance sets.
 * @param instances1//from w w  w.j av  a  2 s . c om
 * @param instances2
 * @return the merged instance sets
 */
public static Instances mergeInstances(Instances instances1, Instances instances2) {
    if (instances1 == null)
        return instances2;
    if (instances2 == null)
        return instances1;
    if (!instances1.checkInstance(instances2.firstInstance()))
        throw new IllegalArgumentException("The instance sets are incompatible.");
    Instances mergedInstances = new Instances(instances1);
    Instances tempInstances = new Instances(instances2);
    for (int i = 0; i < tempInstances.numInstances(); i++) {
        mergedInstances.add(tempInstances.instance(i));
    }
    return mergedInstances;
}