public static Review Classify(Review review, DataSet data)
{
int wTrue = 0, wFalse = 0;
review.Words = TextChange.SplitToWords(review.Text);
double resultTrue = Math.Log(data.TrueReviewsCount / data.AllReviewsCount);
double resultFalse = Math.Log(data.FalseReviewsCount / data.AllReviewsCount);
foreach (var word in review.Words)
{
wTrue = 0;
wFalse = 0;
WordCount newWord = new WordCount(word);
if (data.TrueWords.Contains(newWord))
{
wTrue = data.TrueWords[data.TrueWords.IndexOf(newWord)].Count;
}
resultTrue += Math.Log((wTrue + 1) / (data.AllWordsCount + data.TrueWordsCount));
if (data.FalseWords.Contains(newWord))
{
wFalse = data.FalseWords[data.FalseWords.IndexOf(newWord)].Count;
}
resultFalse += Math.Log((wFalse + 1) / (data.AllWordsCount + data.FalseWordsCount));
}
review.MyTonality = (resultTrue > resultFalse);
return review;
}
private void firstButton_Click(object sender, RoutedEventArgs e)
{
DataSet data = new DataSet();
data.Get("d://result3.txt");
if (reviewText.Text == "")
{
MessageBox.Show("Введите текст отзыва");
return;
}
Review review = new Review(reviewText.Text);
Classifier.Classify(review, data);
if (review.MyTonality)
tonalityLabel.Content = "положительный";
else
tonalityLabel.Content = "отрицательный";
}
private void Print(DataSet data, string url, int count)
{
List<Review> reviews = new List<Review>();
ParsingWeb parser = new ParsingWeb();
int it = 0, hund = 0;
try
{
parser.Parse(count, ref url, ref it, ref hund, ref reviews);
}
catch (Exception)
{
MessageBox.Show("ошибка mail.ru");
return;
}
this.Dispatcher.Invoke(new Action(() =>
{
listReviews.Items.Clear();
foreach (var rev in reviews)
{
StackPanel panel = new StackPanel();
panel.Orientation = Orientation.Horizontal;
TextBox label1 = new TextBox();
label1.Text = rev.Text;
TextBox label2 = new TextBox();
Classifier.Classify(rev, data);
if (rev.MyTonality)
label2.Text = "положительный";
else
label2.Text = "отрицательный ";
label1.Width = 375;
label1.TextWrapping = TextWrapping.Wrap;
panel.Children.Add(label1);
panel.Children.Add(label2);
listReviews.Items.Add(panel);
}
statisticValue.Content = Statistics.Calculate(reviews);
}));
}
private void secondButton_Click(object sender, RoutedEventArgs e)
{
DataSet data = new DataSet();
data.Get("d://result4.txt");
statisticValue.Content = "";
string url = "http://torg.mail.ru/review/shops/?page=";
int count;
try
{
count = Convert.ToInt32(countText.Text);
}
catch (Exception)
{
MessageBox.Show("Введите количество отзывов");
return;
}
Thread t = new Thread((delegate() { Print(data, url, count); }));
t.Start();
}
