private void ComputeCentroid(IEnumerable <IEntitySpecification> items, IMetricItem mean)
{
var minDist = double.MaxValue;
foreach (var item in items)
{
var currentDistance = _metric.Distance(item, mean);
if (!(currentDistance < minDist))
{
continue;
}
minDist = currentDistance;
Height = item.Height;
Weight = item.Weight;
}
}
public double Distance(IEntitySpecification item, IMetricItem centroid)
{
var sumSquaredDiffs = Math.Pow(item.Height - centroid.Height, 2) + Math.Pow(item.Weight - centroid.Weight, 2);
return(Math.Sqrt(sumSquaredDiffs));
}
