NO.53 Which calculations can be processed within the pre-processing step in the forecasting model? Note: There are 2 correct Answers to this question.

NO.53 Which calculations can be processed within the pre-processing step in the forecasting model? Note: There are 2 correct Answers to this question.
A . Rounding can be executed for the sales history.
B . Missing Values can be substituted.
C . Promotion Sales Lift Ups can be deleted.
D . Correlations can be evaluated.

Answer: B,C