internal C45FeatureSetCollection GetFSCFromFile(String filename)
{
C45FeatureSetCollection featureSetCollection = new C45FeatureSetCollection();
C45Schema schema = C45Schema.CreateFromFile(filename.Replace(".data".ToString(), ".names".ToString()));
int character = 0;
String line = String.Empty;
FileStream file = new FileStream(
filename,
FileMode.Open);
while (character >= 0)
{
line = String.Empty;
character = file.ReadByte();
while (character != 0x0A &&
character > 0)
{
line += Convert.ToChar(character);
character = file.ReadByte();
}
featureSetCollection.Add(C45FeatureSet.GetFSFromLine(line, schema));
}
return(featureSetCollection);
}
private void DisableControls()
{
this.dataGridView.Rows.Clear();
this.dataGridView.Columns.Clear();
this.schema = null;
this.generator = null;
this.docImageForm = null;
this.openToolStripMenuItem.Enabled = true;
this.newRowToolStripMenuItem.Enabled = false;
this.loadFSCToolStripMenuItem.Enabled = false;
this.removeRowToolStripMenuItem.Enabled = false;
this.addallresultcasesToolStripMenuItem.Enabled = false;
this.addAllUserResultsToolStripMenuItem.Enabled = false;
this.addResultsToolStripMenuItem.Enabled = false;
this.classifyToolStripMenuItem.Enabled = false;
this.closeToolStripMenuItem.Enabled = false;
this.removeRowToolStripMenuItem1.Enabled = false;
this.removeRowToolStripMenuItem.Enabled = false;
this.saveDebugInfoToolStripMenuItem.Enabled = false;
this.clearDebugInfoToolStripMenuItem.Enabled = false;
this.viewToolStripMenuItem.Enabled = false;
this.extrasToolStripMenuItem.Enabled = false;
this.actionToolStripMenuItem1.Enabled = false;
this.hRTMapperToolStripMenuItem.Visible = false;
this.listBoxStatus.Enabled = true;
this.listBoxStatus.Items.Clear();
this.progressBarState.Value = 0;
}
internal static C45FeatureSet GetFSFromLine(String line, C45Schema schema)
{
C45FeatureSet featureSet = new C45FeatureSet();
int currentFeature = 0;
String[] features = line.Split(",".ToCharArray());
for (int i = 0; i < features.Length; i++)
{
features[i] = features[i].Trim();
}
foreach (C45SchemaProperty column in schema.Properties)
{
if (features[currentFeature] == "" ||
features[currentFeature] == "?")
{
featureSet.AddUnknownFeature();
}
else
{
if (column.IsDiscrete)
{
C45DiscreteFeature discreteFeature = new C45DiscreteFeature();
C45DiscreteFeatureAttribute discreteFeatureAttribute = new C45DiscreteFeatureAttribute();
discreteFeatureAttribute.AttributeName = features[currentFeature];
discreteFeatureAttribute.Probability = 100;
discreteFeature.Add(discreteFeatureAttribute);
featureSet.AddDiscreteFeature(discreteFeature);
}
else
{
C45ContinuousFeature continuousFeature = new C45ContinuousFeature();
continuousFeature.LowerBound = Convert.ToInt32(features[currentFeature]);
continuousFeature.UpperBound = Convert.ToInt32(features[currentFeature]);
featureSet.AddContinousFeature(continuousFeature);
}
}
currentFeature++;
}
featureSet.UserResult.ClassName = features[currentFeature];
return(featureSet);
}
private void CreateColumns()
{
try
{
this.schema = C45Schema.CreateFromFile(c45Settings.C45SchemaFilename + @".names");
int index = 0;
foreach (C45SchemaProperty property in schema.Properties)
{
if (property.IsDiscrete)
{
DataGridViewComboBoxColumn combo = new DataGridViewComboBoxColumn();
combo.Name = property.Name;
combo.HeaderText = property.Name;
combo.Items.Add("?".ToString());
foreach (String attribute in property.DiscreteAttributes)
{
combo.Items.Add(attribute);
}
this.dataGridView.Columns.Add(combo);
}
else
{
DataGridViewTextBoxColumn text = new DataGridViewTextBoxColumn();
text.Name = property.Name;
text.HeaderText = property.Name;
this.dataGridView.Columns.Add(text);
}
this.dataGridView.Columns[index].Tag = property;
index++;
}
this.userClassColumn = index++;
this.resultClassColumn = index++;
this.stateColumn = index;
AddClassesToGridView(schema.Classes);
AddResultColumn();
}
catch (C45Exception ex)
{
MessageBox.Show(ex.GetString());
CloseToolStripMenuItem_Click(this, new EventArgs());
}
}
public C45Schema ParseNamesFile(String filename)
{
C45Schema schema = new C45Schema();
try
{
FileStream f = new FileStream(filename,
FileMode.Open);
StreamReader s = new StreamReader(f);
String line = String.Empty;
do
{
line = s.ReadLine();
line = line.TrimStart("\t".ToCharArray());
} while (line == String.Empty || line[0] == '|');
while (!line.Contains(".") && !s.EndOfStream)
{
line += s.ReadLine();
}
line = line.Remove(line.LastIndexOfAny(".".ToCharArray()));
String[] values = line.Split(",".ToCharArray());
//Add classes
if (values.Length > 0)
{
foreach (String newClass in values)
{
String newString = newClass.Trim();
schema.AddClass(newString);
}
}
//Add properties
while (!s.EndOfStream)
{
line = s.ReadLine();
if (line != String.Empty &&
line[0] != '|')
{
values = this.FormatLine(line);
if (values[1].Contains("continuous"))
{
schema.Properties.Add(false, values[0], null);
}
else
{
//Discrete attribute found
String[] discreteAttributes = values[1].Split(",".ToCharArray());
List <String> attributeList = new List <String> ();
foreach (String singleAttribute in discreteAttributes)
{
String attribute = singleAttribute.Trim();
attributeList.Add(attribute);
}
schema.Properties.Add(true, values[0], attributeList);
}
}
}
}
catch (Exception e)
{
throw (new C45Exception(C45Exceptions.PARSE_NAMES_ERROR, e));
}
return(schema);
}
