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Trunk Volume Model and Overcoming of Its Weak multi-Colinear

Ding Sitong,Jiang Yuanqing,Guo Lihong (Forestry College of JAU,Nanchang 330045)  
Based on the trunk volume model the authors put forward colinear diagnose standard different from former,and simplify the details for Lin estimate to overcome weak multi colinear and established Lin regression equation.
【CateGory Index】: S758
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