public List <KMeansEntity> MapAllData(List <ExternalEntity> entities)
{
var arguments = entities.SelectMany(e => e.Data.Select(kvp => kvp.Key)).Distinct().ToList();
//var argumentsList = new List<string>();
//foreach(var argumentPair in entities.SelectMany(entity => entity.Data.Where(argumentPair => !argumentsList.Contains(argumentPair.Key))))
//{
// argumentsList.Add(argumentPair.Key);
//}
var result = new List <KMeansEntity>();
foreach (var entity in entities)
{
var mappedEntity = new KMeansEntity
{
Label = entity.Label,
Arguments = new List <double>()
};
foreach (var argument in arguments)
{
double value;
mappedEntity.Arguments.Add(entity.Data.TryGetValue(argument, out value) ? value : 0);
}
result.Add(mappedEntity);
}
return(result);
}
private void DrawPoint(KMeansEntity entity, int size = 4)
{
var color = GetColor((int)entity.ClusterId);
using (var graphic = MainCanvas.CreateGraphics())
{
var pt = new Point((int)entity.Arguments[0] + center.x, -(int)entity.Arguments[1] + center.y);
using (Brush b = new SolidBrush(color))
{
graphic.FillEllipse(b, pt.X - size / 2, pt.Y - size / 2, size, size);
}
}
}
public void RegisterInitialData(List <KMeansEntity> data)
{
this.data = new List <KMeansEntity>();
foreach (var point in data)
{
var registeredPoint = new KMeansEntity
{
ClusterId = point.ClusterId
};
this.data.Add(registeredPoint);
}
}