public static HyperRectangleBuilder InitializeWithSeed(Dataset dataset, int seedIndex)
{
var builder = new HyperRectangleBuilder(dataset);
var seed = dataset.GetInstanceData(seedIndex);
var featureCount = dataset.FeatureCount;
for (int i = 0; i < featureCount; i++)
{
switch (dataset.GetFeatureType(i))
{
case FeatureType.Continuous: {
builder.UpdateContinuousDimensionIntervalStart(
dimensionIndex: i,
value: seed[i]);
builder.UpdateContinuousDimensionIntervalEnd(
dimensionIndex: i,
value: seed[i]);
break;
}
default:
throw CommonExceptions.UnknownFeatureType;
}
}
return(builder);
}
public static HyperRectangleBuilder InitializeWithLargestRectangle(Dataset dataset)
{
var builder = new HyperRectangleBuilder(dataset);
var featureCount = dataset.FeatureCount;
for (int i = 0; i < featureCount; i++)
{
switch (dataset.GetFeatureType(i))
{
case FeatureType.Continuous:
builder._starts[i] = float.NegativeInfinity;
builder._ends[i] = float.PositiveInfinity;
break;
default:
throw CommonExceptions.UnknownFeatureType;
}
}
return(builder);
}