//! [2]
void MainWindow::on_queryBox_currentIndexChanged()
{
QFile queryFile(":/queries/" + queryBox->currentText());
queryFile.open(QIODevice::ReadOnly);
queryEdit->setPlainText(QString::fromLatin1(queryFile.readAll()));
evaluateResult();
}
int main()
{
clock_t start,finish;
time_t tStart,tFinish;
double totaltime;
tStart = time(&tStart);
start = clock();
//将训练集下的文本分词后，保存为myDic.txt(DF词典)和myTFDic(TF词典)
//myParagraphProcess("E:\\finalData\\1_train",myDicPath,myTFDicPath);
//卡方检验特征选择
//chiFeatureSelect(myDicPath);
//期望交叉熵特征选择——从词频词典中选取
//expectedCrossEntrophyFeatureSelect(myTFDicPath);
/*myParagraphProcessToVSM(textTrainDataPath,VSMDesPath);
myParagraphProcessToVSM(textTestDataPath,VSMtestDesPath);*/
//基于CHI特征向量将训练和测试文本向量化——记得 去掉 宏定义_CROSS
//myParagraphProcessToVSM(textTrainDataPath,textOfTrainVSMOnCHI);
//myParagraphProcessToVSM(textTestDataPath,textOfTestVSMOnCHI);
//基于ECE特征向量将训练和测试文本向量化——记得 加上 宏定义_CROSS
//myParagraphProcessToVSM(textTrainDataPath,textOfTrainVSMOnCross);
//myParagraphProcessToVSM(textTestDataPath,textOfTestVSMOnCross);
//基于CHI特征向量将训练和测试文本向量化(Bayes)——记得 去掉 宏定义_CROSS
//myTextToVSMforNaiveBayes(textTestDataPath,naiveBayesOfTestVSMOnCHI);
//基于ECE特征向量将训练和测试文本向量化(Bayes)——记得 加上 宏定义_CROSS
//myTextToVSMforNaiveBayes(textTestDataPath,naiveBayesOfTestVSMOnCross);
//基于CHI特征向量的KNN分类——记得 去掉 宏定义_CROSS
//KNN(textOfTrainVSMOnCHI,textOfTestVSMOnCHI);
//基于ECE特征向量的KNN分类——记得 加上 宏定义_CROSS
//KNN(textOfTrainVSMOnCross,textOfTestVSMOnCross);
//基于CHI特征向量的NB分类——记得 去掉 宏定义_CROSS
//naiveBayes(naiveBayesOfTestVSMOnCHI);
//基于ECE特征向量的NB分类——记得 加上 宏定义_CROSS
naiveBayes(naiveBayesOfTestVSMOnCross);
evaluateResult(artNum,P,8);
finish = clock();
tFinish = time(&tFinish);
totaltime = (finish - start) / CLOCKS_PER_SEC;
cout<<totaltime-(totaltime/60)*60<<"秒 "<<"运行时间："<<tFinish - tStart<<endl;
return 0;
}
void MainWindow::loadDirectory(const QString &directory)
{
Q_ASSERT(QDir(directory).exists());
m_fileNode = m_fileTree.nodeFor(directory);
QXmlQuery query(m_namePool);
query.bindVariable("fileTree", m_fileNode);
query.setQuery(QUrl("qrc:/queries/wholeTree.xq"));
QByteArray output;
QBuffer buffer(&output);
buffer.open(QIODevice::WriteOnly);
QXmlFormatter formatter(query, &buffer);
query.evaluateTo(&formatter);
treeInfo->setText((QString(tr("%1 rendered as XML.")).arg(directory)));
fileTree->setText(QString::fromLatin1(output.constData()));
evaluateResult();
}