We purpose a decision model to select the optimal facilities for the Decision Making problems with multiple characteristics(nominal-is-best characteristics, larger-is -better characteristics, smaller- is -better characteristics). Using this model, concept of the loss function is used in this comprehensive method of for select the optimal preferred facilities. To solve the issue on the optimal preferred facilities for multiple characteristics, this study propose the loss function with cross-product terms among the characteristics and derived range of the coefficients of the terms.

Abstract
 1. 서론
 2. 손실함수와 SN비
  2.1. 망목 특성의 손질함수와 SN비
 3. 참고문헌

• 허준영
• 서장훈
• 조용욱
• 박명규