private void CreateDatacell(IEnumerable <TrainingSetRecord> query)
{
Dataset = Matrix.Zeros(0, 0);
Target = Matrix.Zeros(0, 0);
DataCell = new DataCell();
DataCell.Add(new DataAttribute(0, "Tempo", query.Select(s => Convert.ToString(s.Tempo)).Distinct().OrderBy(s => s).ToArray()));
DataCell.Add(new DataAttribute(1, "Danceability", query.Select(s => Convert.ToString(s.Danceability)).Distinct().OrderBy(s => s).ToArray()));
DataCell.Add(new DataAttribute(2, "Energy", query.Select(s => Convert.ToString(s.Energy)).Distinct().OrderBy(s => s).ToArray()));
DataCell.Add(new DataAttribute(3, "Key", query.Select(s => Convert.ToString(s.Key)).Distinct().OrderBy(s => s).ToArray()));
DataCell.Add(new DataAttribute(4, "Favourite", "False", "True"));
this.Populate(query.ToList());
}