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Java FeatureSelection.nextSelectedIndex方法代码示例

本文整理汇总了Java中cc.mallet.types.FeatureSelection.nextSelectedIndex方法的典型用法代码示例。如果您正苦于以下问题:Java FeatureSelection.nextSelectedIndex方法的具体用法?Java FeatureSelection.nextSelectedIndex怎么用?Java FeatureSelection.nextSelectedIndex使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在cc.mallet.types.FeatureSelection的用法示例。


在下文中一共展示了FeatureSelection.nextSelectedIndex方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: setWeightsDimensionDensely

import cc.mallet.types.FeatureSelection; //导入方法依赖的package包/类
public void setWeightsDimensionDensely ()
{
	weightsStructureChanged();
	SparseVector[] newWeights = new SparseVector [parameters.weights.length];
	int max = inputAlphabet.size();
	int numWeights = 0;
	logger.info ("CRF using dense weights, num input features = "+max);
	for (int i = 0; i < parameters.weights.length; i++) {
		int nfeatures;
		if (featureSelections[i] == null) {
			nfeatures = max;
			newWeights [i] = new SparseVector (null, new double [max],
					max, max, false, false, false);
		} else {
			// Respect the featureSelection
			FeatureSelection fs = featureSelections[i];
			nfeatures = fs.getBitSet ().cardinality ();
			int[] idxs = new int [nfeatures];
			int j = 0, thisIdx = -1;
			while ((thisIdx = fs.nextSelectedIndex (thisIdx + 1)) >= 0) {
				idxs[j++] = thisIdx;
			}
			newWeights[i] = new IndexedSparseVector (idxs, new double [nfeatures], nfeatures, nfeatures, false, false, false);
		}
		newWeights [i].plusEqualsSparse (parameters.weights [i]);
		numWeights += (nfeatures + 1);
	}
	logger.info("Number of weights = "+numWeights);
	parameters.weights = newWeights;
}
 
开发者ID:kostagiolasn,项目名称:NucleosomePatternClassifier,代码行数:31,代码来源:CRF.java


注:本文中的cc.mallet.types.FeatureSelection.nextSelectedIndex方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。