The results of stepwise multiple regression analysis show that OM, AK, AP, and CEC are the key tobacco quality-limiting factors.
逐步回归显示，土壤有机质、速效磷、速效钾和阳离子交换量对烟叶品质有较大的影响；
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。
MethodsThe potential factors which may cause PCO were analyzed with multiple stepwise regression analysis.
方法采用多元逐步回归方法对可能引起后囊膜混浊的诸多因素进行分析。
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