逐步回归分析模型可通过SAS系统内的REG过程实现。需要在MODEL语句后添加逐步回归算法的选项SELECTION=STEPWISE即可

What are the main selection of equipment in the fully mechanized working face? ( ) A: Selection of fully mechanized support B: Selection of Shearer C: Selection of face conveyor D: Selection of conveyor in gateway

selection

The basis of selection is ( ).

Which is not a cross-cultural communication model？（ ）。 A: The language model B: The cognitive model C: The behavioral model D: The interpretive model

Which of the following is not a cross-cultural communication model?（ ） A: The cognitive model B: The language model C: The interpretive model D: The behavioral model

Which one is not a model of medical tourism？（ ） A: Thailand Model B: China Model C: US Model D: India Model

歧化选择（disruptive selection）

重要的需求模型包括（ ）。 A: Domain Model B: User Model C: User-Domain Model D: Case Model E: User-Case Model

The zero growth model is a special case of what valuation model? A: Variable growth model B: Constant growth model C: Delta growth model D: Perpetuity valuation model E: None of the above