实验设计例子：采集数据拟合因子:患者满意度与经验,知识,友好患者满意度的效应和系数的估计（已编码单位）项效应系数系数标准误TP常量84.25000.4146203.220.000经验0.50000.25000.41460.600.563知识13.00006.50000.414615.680.000友好6.75003.37500.41468.140.000经验*知识1.50000.75000.41461.810.108经验*友好-0.7500-0.37500.4146-0.900.392知识*友好2.75001.37500.41463.320.011经验*知识*友好0.75000.37500.41460.900.392S=1.65831PRESS=88R-Sq=97.62%R-Sq（预测）=90.49%R-Sq（调整）=95.54%对于患者满意度方差分析（已编码单位）来源自由度SeqSSAdjSSAdjMSFP主效应3859.250859.250286.417104.150.0002因子交互作用341.50041.50013.8335.030.0303因子交互作用12.2502.2502.2500.820.392残差误差822.00022.0002.750纯误差822.00022.0002.750合计15925.000倾斜度的绝对值越大对Y值的影响也越大TheEnd