A stepwise nonlinear fitting procedure was proposed to nonlinear fitting equations that USES Marquardt nonlinear fitting analysis and stepwise linear regression alternatively.
对于非线性函数线性组合型相关方程，本文提出了交替运用非线性拟合和逐步线性回归分析相结合的方法一逐步非线性拟合。
Then, stepwise regression analysis is used to select a best group of factors for the prediction of expressway incident duration, and the multiple linear regression model is established.
在此基础上，通过逐步回归分析确定用于高速公路事件持续时间预测的最佳变量组合并建立多元线性回归模型。
A method of stepwise regression analysis on water polluting is discussed with examples of the comprehensive water polluting index.
提出水质污染的逐步回归分析方法，并以年水质综合污染指数为例，对其进行逐步回归分析。
Stepwise regression analysis demonstrated that boundary ambiguity, uncertainty and mother's age are predictors of a mother's depression which account for 21.49% of the total variance of depression.
逐步回归分析结果显示家庭界限混淆、不确定感及母亲的年龄是母亲忧郁程度的预测因子，共可解释21.49%之总变异量。
Then it establishes a stepwise statistical regression model. Finally, the model prediction effect is comparative analysis by comparing the characteristic parameters of the model.
并建立了逐步回归统计模型，通过对比模型的预测特征参数，比较分析了模型间的预测效果。
Measured materials of a certain dam is used to make model construction analysis on the basis of description about concepts of stepwise regression model and Markov model.
在介绍逐步回归模型和马尔科夫预报模型概念的基础上，利用某大坝的实测资料进行建模分析。
Measured materials of a certain dam is used to make model construction analysis on the basis of description about concepts of stepwise regression model and Markov model.
在介绍逐步回归模型和马尔科夫预报模型概念的基础上，利用某大坝的实测资料进行建模分析。
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