public PropertyModel Statistics(PropertyModel property, Double[] original, Double[] predicted)
{
int length = (predicted.Length <= original.Length) ? predicted.Length : original.Length;
double[] dist = new double[length];
if (length == 0)
return null;
else
{
int count = 0;
for (int i = 0; i < length; i++)
{
dist[i] = Math.Abs(original[i] - predicted[i]);
if (dist[i] <= property.Threshold)
count++;
i++;
}
property.Minimum = dist.Min();
property.Maximum = dist.Max();
property.Average = dist.Sum() / length;
property.Accuracy = (double)count * 100 / length;
return property;
}
}
public PropertyModel(PropertyModel p) {
KNN = p.KNN;
Exponent = p.Exponent;
Threshold = p.Threshold;
Accuracy = p.Accuracy;
Average = p.Average;
Maximum = p.Maximum;
Minimum = p.Minimum;
}
public DeviceModel(DeviceModel d)
{
Id = d.Id;
Mac = d.Mac;
Name = d.Name;
XLocation = d.XLocation;
YLocation = d.YLocation;
RSSValue = d.RSSValue;
Property = new PropertyModel(d.Property);
}
public DeviceModel()
{
RSSValue = new double[] { };
Property = new PropertyModel();
}
public void GetStatistics(Double[] a, Double[] b)
{
Property = new PropertyModel(WifiLocalization.Manager.Instance.GetStatistics(this.Property, a, b));
}
/// <summary>
/// Uses PropertyModel.Thershold
/// Takes List<LocationModel(){original,predicted}>
/// </summary>
/// <returns>PropertyModel Statistics : Acc%,Avg,Max,Min</returns>
public PropertyModel GetStatistics(PropertyModel property, Double[] original, Double[] predicted)
{
return WifiLocalization.Implement.Instance.Statistics(property, original, predicted);
}
public DeviceModel()
{
RSSValue = new double[] { };
Property = new PropertyModel();
}
public void GetStatistics(Double[] a, Double[] b)
{
Property = new PropertyModel(WifiLocalization.Manager.Instance.GetStatistics(this.Property, a, b));
}