svm_parameter.java

package DataMining_SVM.libsvm;
public class svm_parameter implements Cloneable,java.io.Serializable
{
	/* svm_type 支持向量机的类型*/
	public static final int C_SVC = 0;
	public static final int NU_SVC = 1;
	//一类svm
	public static final int ONE_CLASS = 2;
	public static final int EPSILON_SVR = 3;
	public static final int NU_SVR = 4;

	/* kernel_type 核函数类型*/
	//线型核函数
	public static final int LINEAR = 0;
	//多项式核函数
	public static final int POLY = 1;
	//RBF径向基函数
	public static final int RBF = 2;
	//二层神经网络核函数
	public static final int SIGMOID = 3;
	public static final int PRECOMPUTED = 4;

	public int svm_type;
	public int kernel_type;
	public int degree;	// for poly
	public double gamma;	// for poly/rbf/sigmoid
	public double coef0;	// for poly/sigmoid

	// these are for training only 后面这些参数只针对训练集的数据
	public double cache_size; // in MB
	public double eps;	// stopping criteria
	public double C;	// for C_SVC, EPSILON_SVR and NU_SVR
	public int nr_weight;		// for C_SVC
	public int[] weight_label;	// for C_SVC
	public double[] weight;		// for C_SVC
	public double nu;	// for NU_SVC, ONE_CLASS, and NU_SVR
	public double p;	// for EPSILON_SVR
	public int shrinking;	// use the shrinking heuristics
	public int probability; // do probability estimates

	public Object clone() 
	{
		try 
		{
			return super.clone();
		} catch (CloneNotSupportedException e) 
		{
			return null;
		}
	}

}