HI. I'm a student in Yonsei university,korea. I write thesis about BCT(box-cox transformation). When using the BCT method in SAS, lambda value is used, and the lambda value range is automatically set from -5 to +5. However, the data I used wants a value outside the set lambda value range. Therefore, in this case, I would like to ask you a question about how to change the range of lambda values.