FTestforLackofFitAssumptions(1)独立性(2)正态性(3)方差不变性注:在同一水平X上有不同的Y值,即repeatobservations定义:对相同级别的预测变量的重复试验叫复制Notation:表示观测值X有j个不同的观测水平:表示X的第j个水平重复的个数:表示在第j观测水平X下的第i个反应变量jXnjijY1cjjnnFullModelFullmodel注:是j个参数,j=1,...,c是独立同分布N(0,)(3.14)(3.17)(3.15)(3.16)(3.18)ijjijYjij2ijjEYjijY2(F)(Y)ijjjiSSEYSSPE2(Y)jijiY(n1)FjjjjdfncncReducedModel(3.19)Reducedmodel(3.20)(3.21)SSE(R)(3.22)00101:{Y}:{}aHEXHEYX01ijjijYX01ijjYbbX2012[()]()ijjijijYbbXYYSSETestStatistic(3.23)(3.24)(3.25)(3.26)**(R)SSE()()(R)SSE()()(n2)(nc)RFFSSEFSSEFFdfdfdfSSEFSSEFFncSSLFSSESSPE*2SSLFSSPEMSLFFcncMSPE**(1;2,)(1;2,)FFcncFFcncANOVATable(3.27)(3.28)(3.29)(3.30)(3.30a)SSESSPESSLFijjjijijijLackErrorPureofdeviationerrorfitdeviationdeviationYYYYYY222()()()ijjjijijijYYYYYY2()jijSSLFYY2()jjjjSSLFnYY