Author(s): WANG Yan
Pages: 21-23
Year: 2011 Issue:  8
Journal: Journal of Shaoguan University
Keyword:  partial least squares regression; statistic; variable projection index; analysis of the model;
Abstract: 利用偏最小二乘回归方法对我国的粮食产量建立模型.在此基础上通过构造符合F分布的统计量,绘制T2椭圆图检测样本点中是否存在的异常点;通过构造变量投影指标反映每个自变量对因变量的影响程度,以此来提出提高因变量产量.