在实际中影响事物某个指标因素往往很多ppt课件

1、第九章 方差分析及回归分析2 2/14/14第九章 方差分析及回归分析3 3/14/14,A B C X1212, , ,abA AAB BBBAX1234,A AAA123,B BB第九章 方差分析及回归分析4 4/14/14123456 1879056559275285886248997238087958149491AAAAAAXA534612,A AAAAAjA2(,) (1,2,6) jjXNjjAjX162 01126126H :, H :, 0H0H第九章 方差分析及回归分析5 5/14/14X12, (1,2, )jnjjjXXXjs12,sA AAA (2)jjnn jA( )

2、2(,) (1,2, )jjXNjsjA12,jn jjjXXX( )2(,)jjXN011212H :, H :,ss (1,2, ).jss第九章 方差分析及回归分析6 6/14/14( )2(,)jjXN011212H :, H :,ss (1,2, ).jss12,jn jjjXXX212,s 212,s 212(,) ( )sWf x 0HW0H第九章 方差分析及回归分析7 7/14/1411jnjijjiXXn22111()jnjijjjiSXXn111jnsijijXXn11sjjXs1sjjnn11sjjsjjjXj2 jS2X(1,2, )jsjXj( )2(,)jjXN2j

3、Sj( )2(,)jjXN11()()sjjE XE Xs11sjjs第九章 方差分析及回归分析8 8/14/14TS ES AS 211()jnsijTjiSXX 211()jnsijEjjiSXX j211()jnsAjjiSXX 21(1)sjjjnS21()sjjjnXXA (),()jjE XE X012H :s ()() (1,2, )jjE XE XjsTEASSS( )2(,)jjXNj2jS2第九章 方差分析及回归分析9 9/14/14222(1) (1) (1,2, )jijnSnjs012:Hs EESSsn21(1)aeiiiSnS( )2(,)jjXN12 ,jnjj

4、jXXXs22221(1)(sjjEjnSS)ns1(1)sjjn2()ESEns222()ESns11(1)ssjjjjnnsns第九章 方差分析及回归分析1010/14/1421()sAjjjSnXX21()sAjjjSnXX21()()sjjjnXX22111()()2()()sssjjjjjjjjnXnXnXX21()sjjjnX22()2 ()n Xn X2()n X2221 /sjAjjXSXnn2(,) (1,2, )jjjNjsXn211( ,)sjjXNXan012:Hs 221( )/sjjjXsn22(1)/ Xn22(1)ASs0H第九章 方差分析及回归分析1111/1

5、4/14012:Hs 1AASSs222(1)ASs012:Hs EESSns222()ESns0HAS2,EASS0, H/(1)(1,)/()AAEESsSFsnsSsnS第九章 方差分析及回归分析1212/14/14,ATESSS 1jnjijiTX 11sjjQT 2111jnssijjjijQXT2 21jnjijiTX(1,2, )js2122211TsjAjjAETQSQnQTSnnSSS-第九章 方差分析及回归分析1313/14/14( )2(,) (1,2,6) jjXNj j10121266:H,H, 6111437jjQT212TQSQnAETSSS-22611jAjjQTSnn11869361, jjQT22118693(1437) /183972.53794.5118515 114720.53972.53794.5178(0.01)123456 1879056559275285886248997238087958149491 AAAAAA25235911810337722821194322496980532935571173708489.755951.594.2576 jjjTTX3794.551783972.5123794.5