public static int MinEucDistanceIndex(IInstance targetInstance, IInstance[] instances)
{
var minDist = double.MaxValue;
var minDistIndex = 0;
for (var i = 0; i < instances.Length; i++)
{
var dist = targetInstance.L2Dist(instances[i]);
if (minDist > dist)
{
minDist = dist;
minDistIndex = i;
}
}
return(minDistIndex);
}
public static int MinEucDistanceIndex(IInstance targetInstance, float[,] values)
{
var minDist = double.MaxValue;
var minDistIndex = 0;
var valuesCount = values.GetLength(0);
var valuesDimCount = values.GetLength(1);
for (var i = 0; i < valuesCount; i++)
{
var dist = targetInstance.L2Dist(values, i, valuesDimCount);
if (minDist > dist)
{
minDist = dist;
minDistIndex = i;
}
}
return(minDistIndex);
}