In this paper,we introduce the method of leaps and bounds regression which canbe used to select variables quickly and obtain the best regression models-These models con-tain one variable, two variables, three variable...In this paper,we introduce the method of leaps and bounds regression which canbe used to select variables quickly and obtain the best regression models-These models con-tain one variable, two variables, three variables and so on- The results obtained by usingleaps and bounds regression were compared with those achieved by using stepwise regressionto lead to the conclusion that leaps and bounds regression is an effective method.展开更多
本文应用多种曲线模型回归分析100bpDNA Ladder和123 bp DNALadder(线性双链)头十条条带bp数与其在琼脂糖凝胶中的电泳迁移距离的相互关系。结果发现,logistic方程及其改良式在拟合估计值、拟合度方面优于对数、多项式方程,且无极值。因...本文应用多种曲线模型回归分析100bpDNA Ladder和123 bp DNALadder(线性双链)头十条条带bp数与其在琼脂糖凝胶中的电泳迁移距离的相互关系。结果发现,logistic方程及其改良式在拟合估计值、拟合度方面优于对数、多项式方程,且无极值。因此,作者认为logistic方程可能是线性双链DNA分子量(bp数)与其电泳迁移距离新的表达式。展开更多
文摘In this paper,we introduce the method of leaps and bounds regression which canbe used to select variables quickly and obtain the best regression models-These models con-tain one variable, two variables, three variables and so on- The results obtained by usingleaps and bounds regression were compared with those achieved by using stepwise regressionto lead to the conclusion that leaps and bounds regression is an effective method.
文摘本文应用多种曲线模型回归分析100bpDNA Ladder和123 bp DNALadder(线性双链)头十条条带bp数与其在琼脂糖凝胶中的电泳迁移距离的相互关系。结果发现,logistic方程及其改良式在拟合估计值、拟合度方面优于对数、多项式方程,且无极值。因此,作者认为logistic方程可能是线性双链DNA分子量(bp数)与其电泳迁移距离新的表达式。