public static void Apply(IRandom random, LinearLinkage lle, int index)
{
var groups = lle.Select((val, idx) => Tuple.Create(idx, val))
.Where(x => x.Item1 == x.Item2)
.Select(x => x.Item2).ToList();
var z = groups.Count;
if (random.NextDouble() < 0.5)
{
lle[index] = index; // divide the cluster into two
}
else
{
var c = random.Next(z);
if (groups[c] > index)
{
lle[index] = groups[c]; // combine the portion with another class
}
else
{
// combine the other class here
lle[groups[c]] = lle[index];
lle[index] = index;
}
lle.LinearizeTreeStructures();
}
}
public static void Apply(IRandom random, LinearLinkage lle, int index) {
var groups = lle.Select((val, idx) => Tuple.Create(idx, val))
.Where(x => x.Item1 == x.Item2)
.Select(x => x.Item2).ToList();
var z = groups.Count;
if (random.NextDouble() < 0.5)
lle[index] = index; // divide the cluster into two
else {
var c = random.Next(z);
if (groups[c] > index)
lle[index] = groups[c]; // combine the portion with another class
else {
// combine the other class here
lle[groups[c]] = lle[index];
lle[index] = index;
}
lle.LinearizeTreeStructures();
}
}
