本文整理汇总了Java中cc.mallet.types.SparseVector.setAll方法的典型用法代码示例。如果您正苦于以下问题：Java SparseVector.setAll方法的具体用法？Java SparseVector.setAll怎么用？Java SparseVector.setAll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类cc.mallet.types.SparseVector的用法示例。
在下文中一共展示了SparseVector.setAll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: testStateAddWeights
import cc.mallet.types.SparseVector; //导入方法依赖的package包/类
public void testStateAddWeights() {
Pipe p = makeSpacePredictionPipe(); // This used to be
// MEMM.makeSpacePredictionPipe(),
// but I don't know why -akm 12/2007
InstanceList training = new InstanceList(p);
training.addThruPipe(new ArrayIterator(data)); // This used to be
// MEMM.data, but I
// don't know why -akm
// 12/2007
CRF crf = new CRF(p, null);
crf.addFullyConnectedStatesForLabels();
CRFTrainerByLabelLikelihood crft = new CRFTrainerByLabelLikelihood(crf);
crft.trainIncremental(training);
// Check that the notstart state is used at test time
Sequence input = (Sequence) training.get(0).getData();
Sequence output = new MaxLatticeDefault(crf, input)
.bestOutputSequence();
boolean notstartFound = false;
for (int i = 0; i < output.size(); i++) {
if (output.get(i).toString().equals("notstart")) {
notstartFound = true;
}
}
System.err.println(output.toString());
assertTrue(notstartFound);
// Now add -infinite weight onto a transition, and make sure that it's
// honored.
CRF.State state = crf.getState("notstart");
int widx = crf.getWeightsIndex("BadBad");
int numFeatures = crf.getInputAlphabet().size();
SparseVector w = new SparseVector(new double[numFeatures]);
w.setAll(Double.NEGATIVE_INFINITY);
crf.setWeights(widx, w);
state.addWeight(0, "BadBad");
state.addWeight(1, "BadBad");
// Verify that this effectively prevents the notstart state from being
// used
output = new MaxLatticeDefault(crf, input).bestOutputSequence();
notstartFound = false;
for (int i = 0; i < output.size() - 1; i++) {
if (output.get(i).toString().equals("notstart")) {
notstartFound = true;
}
}
assertTrue(!notstartFound);
}