private void zoo_example()
{
string path = @"zoo.txt";
Headers = new string[] {
"Hair", "Feathers", "Eggs", "Milk", "Airborne", "Aquatic",
"Predator", "Toothed", "Backbone", "Breathes", "Venomous", "Fins", "Legs", "Tail",
"Domestic", "Catsize"
};
Result = "Animal type";
List <string[]> rows = new List <string[]>();
List <string[]> dummy = new List <string[]>();
foreach (var animalData in File.ReadAllLines(path))
{
List <string> data = new List <string>();
string[] line = animalData.Split(',');
for (int i = 0; i < line.Length; ++i)
{
if (i == 13 || i == 17 || i == 0)
{
data.Add(line[i]);
}
else
{
data.Add(BoolParser.Parse(line[i]).ToString());
}
}
dummy.Add(data.ToArray());
data.RemoveAt(0);
rows.Add(data.ToArray());
}
UpdateDataBaseZoo(dummy);
tcMain.Clear();
tree = DecisionTreeTools.BuildTree(rows);
DecisionTreeTools.Prune(tree.NextFalseNode.NextTrueNode.NextFalseNode.NextTrueNode, 1.01);
DecisionTreeTools.Prune(tree.NextFalseNode.NextTrueNode.NextTrueNode.NextFalseNode, 1.01);
PrintTree(tree);
listBoxZoo.Items.Clear();
listBoxZoo.Items.Add(
"1 -- (41) aardvark, antelope, bear, boar, buffalo, calf, cavy, cheetah, deer, dolphin, elephant, fruitbat, giraffe, girl, goat, gorilla, hamster, hare, leopard, lion, lynx, mink, mole, mongoose, opossum, oryx, platypus, polecat, pony, porpoise, puma, pussycat, raccoon, reindeer, seal, sealion, squirrel, vampire, vole, wallaby,wolf ");
listBoxZoo.Items.Add(
"2 -- (20) chicken, crow, dove, duck, flamingo, gull, hawk, kiwi, lark, ostrich, parakeet, penguin, pheasant, rhea, skimmer, skua, sparrow, swan, vulture, wren ");
listBoxZoo.Items.Add("3 -- (5) pitviper, seasnake, slowworm, tortoise, tuatara");
listBoxZoo.Items.Add(
"4 -- (13) bass, carp, catfish, chub, dogfish, haddock, herring, pike, piranha, seahorse, sole, stingray, tuna ");
listBoxZoo.Items.Add("5 -- (4) frog, frog, newt, toad ");
listBoxZoo.Items.Add("6 -- (8) flea, gnat, honeybee, housefly, ladybird, moth, termite, wasp ");
listBoxZoo.Items.Add(
"7 -- (10) clam, crab, crayfish, lobster, octopus, scorpion, seawasp, slug, starfish, worm");
listBoxZoo.Visibility = Visibility.Visible;
}
private void dataGridClassify_PreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
var selectedRow = dataGridClassify.GetSelectedRow();
List <string> data = new List <string>();
// StringBuilder str = new StringBuilder();
for (int i = 0; i < dataGridClassify.Columns.Count; ++i)
{
TextBlock textBlock = dataGridClassify.GetCell(selectedRow, i).Content as TextBlock;
if (textBlock != null)
{
//str.Append((textBlock.Text == string.Empty?"null":textBlock.Text)+"\n");
data.Add(textBlock.Text == string.Empty ? null : (textBlock.Text == "+")?"True":"False");
}
else
{
CheckBox checkBox = dataGridClassify.GetCell(selectedRow, i).Content as CheckBox;
if (checkBox != null)
{
data.Add(checkBox.IsChecked.ToString());
//str.Append(checkBox.IsChecked.ToString()+"\n");
}
else
{
var x = dataGridClassify.GetCell(selectedRow, i).Content as TextBox;
data.Add(x.Text);
}
}
}
var classification = DecisionTreeTools.MissingDataClassify(data.ToArray(), tree);
StringBuilder classificationData = new StringBuilder();
foreach (var c in classification)
{
classificationData.Append("{" + Result + " '" + c.Key + "' : " + c.Value + "}");
}
MessageBox.Show(classificationData.ToString());
}
}
private void simple_example()
{
string path = @"decision_tree_example.txt";
Headers = new string[] { "Refferer", "Location", "Read FAQ", "Pages viewed" };
Result = "Service";
List <string[]> rows = new List <string[]>();
foreach (var word in File.ReadAllLines(path))
{
rows.Add(word.Split('\t'));
}
tcMain.Clear();
tree = DecisionTreeTools.BuildTree(rows);
PrintTree(tree);
UpdateDataBaseSimpleExample(rows);
listBoxZoo.Visibility = Visibility.Hidden;
}