public void InsertColumn <T>(string variableName, int columnIndex)
{
if (IsFiltered)
{
throw new InvalidOperationException("InsertColumn not possible while data is filtered");
}
originalData.InsertColumn <T>(variableName, columnIndex);
}
private void RenameTransformedColumsAndRestorePreservedColumns(IList <Transformation <double> > transformations)
{
foreach (var column in originalColumns)
{
int originalColumnIndex = preprocessingData.GetColumnIndex(column.Key);
int newColumnIndex = originalColumnIndex + 1;
string newColumnName = GetTransformatedColumnName(transformations, column.Key);
// save renaming mapping
renamedColumns[column.Key] = newColumnName;
// create new transformed column
preprocessingData.InsertColumn <double>(newColumnName, newColumnIndex);
preprocessingData.SetValues(newColumnIndex, preprocessingData.GetValues <double>(originalColumnIndex));
// restore old values
preprocessingData.SetValues(originalColumnIndex, column.Value);
}
}