一、多元线性回归模型 （一）多元线性回归（multiple liner regression）模型的一般形式 （9.20） 式中，是p+1个未知参数，称为回归系数。
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multiple liner regression model 多元线性回归模型
The multiple liner regression revealed that there were 10 main influencing factors of sleeping quality in 31 related factors.
在31项相关因素中，有10项因素对睡眠质量有一定的影响。
The multiple liner regression model indicated that serum TC level was significantly associated with accumulative noise dose, but negative associate with scale of hot environment.
多元线性回归模型分析显示：血清tc水平与累积噪声剂量呈正相关，与高温级别呈负相关。
The effect of these factors to the therapy option (surgery vs conservative treatment) was analyzed by liner correlation, multiple liner regression and forward stepwise regression.
分别予以赋值后，用计算机行单因素直线相关，多元直线回归和多元逐步回归分析。
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