protected override void PerformScaling()
{
_workingDataTable = _backupDataTable.Copy();
foreach (var currentToolParameter in _toolParameterContainer.ToolParameter)
{
NormalizationStrategyFactory.GetStrategy(_transformationStrategy).Transform(_workingDataTable.Columns[currentToolParameter.ColumnName], currentToolParameter.IsBenefitCriterion);
}
}
private IList <Tuple <IToolParameter, double?> > Scale(ToolParameterContainer toolParameterContainer, IList <Tuple <IToolParameter, double> > localRangeList)
{
IList <Tuple <IToolParameter, double?> > listOfScaledTuple = new List <Tuple <IToolParameter, double?> >();
var oidColumnIndex = GetOIDColumnIndex();
var clusterIDsRows = _enumerableRowCollection.Where(x => _clusterIDs.Contains(x.Field <FieldTypeOID>(oidColumnIndex).OID));
var featureIDRow = _enumerableRowCollection.Where(x => x.Field <FieldTypeOID>(oidColumnIndex).OID == _featureId);
foreach (var currentToolParameter in toolParameterContainer.ToolParameter)
{
var currentLocalRange = localRangeList.FirstOrDefault(x => x.Item1 == currentToolParameter);
IList <double> data = clusterIDsRows.Select(x => x.Field <double>(currentToolParameter.ColumnName)).Distinct().ToList();
var actualValue = featureIDRow.Select(x => x.Field <double>(currentToolParameter.ColumnName)).FirstOrDefault();
var result = NormalizationStrategyFactory.GetStrategy(_transformationStrategy).Transform(data, actualValue, currentToolParameter.IsBenefitCriterion);
listOfScaledTuple.Add(Tuple.Create(currentToolParameter, result));
}
return(listOfScaledTuple);
}