private void AppendFeatureValueFromGridView(
DataGridViewCell cell,
C45FeatureSet featureSet)
{
if (cell.ColumnIndex < this.schema.Properties.Count)
{
String cellValue = String.Empty;
if (cell.IsInEditMode)
{
cellValue = cell.EditedFormattedValue.ToString();
}
else
{
cellValue = cell.FormattedValue.ToString();
}
C45SchemaProperty col = (C45SchemaProperty)this.dataGridView.Columns[cell.ColumnIndex].Tag;
if (cellValue == "?".ToString() ||
cellValue == "".ToString())
{
featureSet.AddUnknownFeature();
}
else
{
if (col.IsDiscrete)
{
// Just one attribute with 100 % probability supported, yet.
// Multiple attribute has to be implemented in future.
C45DiscreteFeature discreteFeature = new C45DiscreteFeature();
C45DiscreteFeatureAttribute discreteFeatureAttribute = new C45DiscreteFeatureAttribute();
discreteFeatureAttribute.AttributeName = (String)cellValue;
discreteFeatureAttribute.Probability = 100;
discreteFeature.Add(discreteFeatureAttribute);
featureSet.AddDiscreteFeature(discreteFeature);
}
else
{
// Just a fix continous value or ignore-value supported, yet.
// Lower and upper bound has to be implemented in future.
C45ContinuousFeature continuousFeature = new C45ContinuousFeature();
continuousFeature.LowerBound = Convert.ToInt32(cellValue);
continuousFeature.UpperBound = Convert.ToInt32(cellValue);
featureSet.AddContinousFeature(continuousFeature);
}
}
}
}
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);
}
public void AddContinousFeature(C45ContinuousFeature newFeature)
{
this._featureArray[this.Count] = newFeature.Feature.Feature;
this.Add(newFeature);
}
