本文整理汇总了Java中cc.mallet.fst.MEMM.addOrderNStates方法的典型用法代码示例。如果您正苦于以下问题：Java MEMM.addOrderNStates方法的具体用法？Java MEMM.addOrderNStates怎么用？Java MEMM.addOrderNStates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.fst.MEMM的用法示例。
在下文中一共展示了MEMM.addOrderNStates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: disabledtestAddOrderNStates
import cc.mallet.fst.MEMM; //导入方法依赖的package包/类
public void disabledtestAddOrderNStates ()
{
Pipe p = makeSpacePredictionPipe ();
InstanceList instances = new InstanceList (p);
instances.addThruPipe (new ArrayIterator(data));
InstanceList[] lists = instances.split (new java.util.Random (678), new double[]{.5, .5});
// Compare 3 CRFs trained with addOrderNStates, and make sure
// that having more features leads to a higher likelihood
MEMM crf1 = new MEMM(p.getDataAlphabet(), p.getTargetAlphabet());
crf1.addOrderNStates (lists [0],
new int[] { 1, },
new boolean[] { false, },
"START",
null,
null,
false);
crf1.setWeightsDimensionAsIn(lists[0]);
MEMMTrainer memmt1 = new MEMMTrainer (crf1);
memmt1.train(lists [0]);
MEMM crf2 = new MEMM(p.getDataAlphabet(), p.getTargetAlphabet());
crf2.addOrderNStates (lists [0],
new int[] { 1, 2, },
new boolean[] { false, true },
"START",
null,
null,
false);
crf2.setWeightsDimensionAsIn(lists[0]);
MEMMTrainer memmt2 = new MEMMTrainer (crf2);
memmt2.train(lists [0]);
MEMM crf3 = new MEMM(p.getDataAlphabet(), p.getTargetAlphabet());
crf3.addOrderNStates (lists [0],
new int[] { 1, 2, },
new boolean[] { false, false },
"START",
null,
null,
false);
crf3.setWeightsDimensionAsIn(lists[0]);
MEMMTrainer memmt3 = new MEMMTrainer (crf3);
memmt3.train(lists [0]);
// Prevent cached values
double lik1 = getLikelihood (memmt1, lists[0]);
double lik2 = getLikelihood (memmt2, lists[0]);
double lik3 = getLikelihood (memmt3, lists[0]);
System.out.println("CRF1 likelihood "+lik1);
assertTrue ("Final zero-order likelihood <"+lik1+"> greater than first-order <"+lik2+">",
lik1 < lik2);
assertTrue ("Final defaults-only likelihood <"+lik2+"> greater than full first-order <"+lik3+">",
lik2 < lik3);
assertEquals (-167.335971702, lik1, 0.0001);
assertEquals (-166.212235389, lik2, 0.0001);
assertEquals ( -90.386005741, lik3, 0.0001);
}