public Property DataPoints_Less_Than_K(PositiveInt unique)
{
var data = _dataGenerator.Generate((uint)unique.Get);
return(Prop.Throws <InvalidOperationException, bool>(new Lazy <bool>(() =>
{
var result = _kMeans.Clusterize(data, (uint)unique.Get + 1);
return true;
})));
}
public Property AllPointsUnique_WithZeroDupParameter(PositiveInt x)
{
var generator = new DataGenerator();
var data = generator.Generate((uint)x.Get);
return(data
.All(x1 => !data.Any(x2 => x1.Features.SequenceEqual(x2.Features) && x1 != x2))
.ToProperty());
}
public Property AllDuplicates_DifferentObjects(PositiveInt x, PositiveInt y)
{
var generator = new DataGenerator();
var data = generator.Generate((uint)x.Get, (uint)y.Get);
var duplicates = data.Skip(x.Get - 1).ToArray();
return(duplicates
.All(x1 => duplicates.All(x2 => !Object.ReferenceEquals(x1, x2) || x1 == x2))
.ToProperty());
}
public Property LastPointDuplicated_WithNotZeroDupParameter(PositiveInt x, PositiveInt y)
{
var generator = new DataGenerator();
var data = generator.Generate((uint)x.Get, (uint)y.Get);
var uniquePart = data.Take(x.Get).ToArray();
var copyPart = data.Skip(x.Get).ToArray();
return(copyPart
.All(x1 => x1.Features.SequenceEqual(uniquePart.Last().Features))
.ToProperty());
}