本文整理汇总了C++中Lexicon::pruneZeros方法的典型用法代码示例。如果您正苦于以下问题:C++ Lexicon::pruneZeros方法的具体用法?C++ Lexicon::pruneZeros怎么用?C++ Lexicon::pruneZeros使用的例子?那么, 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Lexicon
的用法示例。
在下文中一共展示了Lexicon::pruneZeros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C++代码示例。
示例1: targetType
Lexicon<ComplexType> LexiconLearner::run(vector<list<string> > &sentences, int nbIterations, float dirichletPrior, bool verbose)
{
SimpleType targetType("s", 0);
for(int i = 0; i < nbIterations; i++)
{
// /*
if(i > 0)
verbose = false;
// */
Lexicon<ComplexType> counts;
cout << "ITERATION "<<i+1<<endl;
float logLikelihood = 0;
// Parsing and counting
for(unsigned int s = 0; s < sentences.size(); s++)
{
FrameString fs(mLex, sentences[s], targetType);
if(verbose)
cout << fs.toString() << endl;
SPGParser ps(fs);
float totalProba = ps.run();
if(verbose)
cout << "Probability : "<<totalProba<<endl;
set<Assignment> as = ps.getAssignments();
for(set<Assignment>::iterator it = as.begin();
it != as.end(); it++)
{
Assignment a = *it;
float proba = ps.proba(a);
list<string>::iterator word = sentences[s].begin();
if(verbose)
cout << "Assignment (proba "<<proba<<"): "<<endl;
for(Assignment::iterator typ = a.begin();
typ != a.end(); typ++)
{
if(word != sentences[s].end())
{
if(verbose)
cout << *word << " -> "<< fs.getType(*typ).toString() << " (type id "<<*typ<<")"<<endl;
counts[*word].addCount(fs.getType(*typ), proba);
word++;
}
}
}
if(verbose)
cout << endl;
else cout << "." << flush;
logLikelihood += log(totalProba);
}
if(!verbose)
cout << endl;
// Normalizing
counts.normalize(dirichletPrior);
// Pruning
counts.pruneZeros();
cout << counts.toString();
mLex = counts;
cout << "Perplexity (before last step): "<<-logLikelihood<<endl;
}
return mLex;
}