40 17.3 0 2.1 2 320 1 0 8.48 41 14 0 1.86 2 250 1 1 8.28 42 11.6 0 1.3 2 250 0 0 8.26 43 14 0 2.26 2 320 1 1 8.46 44 14 1 2 2 500 1 1 8.61 45 13.3 0 2.1 2 250 1 1 8.2 46 14 0 2.26 2 320 1 0 8.76 47 15.6 1 2.4 3 500 1 0 8.92 48 12.1 1 2.4 2 250 0 0 9.25 49 13.3 1 1.6 3 500 1 1 9.04 50 13.3 0 1.86 2 250 1 1 8.33]; x=x0(:,2:8); y=x0(:,9); stepwise(x,y)
%东芝逐步回归 clc,clear
x0=[1 14 0 2.13 2 320 1 1 8.44 2 14 0 2.26 2 320 1 1 8.52 3 13.3 0 2.26 2 320 0 1 8.99 4 14 0 2.26 2 320 1 1 8.52 5 13.3 0 1.86 2 320 1 1 8.41 6 14 1 2.26 2 320 1 1 8.61 7 18.4 1 1.6 4 500 1 0 8.97 8 14 0 2.13 2 320 1 1 8.44 9 13.3 0 2.26 2 320 1 1 8.52 10 13.3 1 2.4 2 320 0 1 9.1 11 14 1 2.4 2 320 1 1 8.52 12 14 0 2.1 2 320 0 1 8.27 13 13.3 0 1.2 2 320 0 0 8.54 14 13.3 0 2.26 2 320 1 1 8.52 15 14 1 2.4 4 500 1 1 8.95 16 14 0 1.86 2 320 1 1 8.41 17 14 0 2.2 2 320 1 0 8.34 18 15.6 0 2.26 2 320 1 1 8.52 19 14 0 2.13 2 320 1 1 8.44 20 13.3 0 2.26 2 320 1 1 8.52 21 14 0 2.13 2 320 1 0 8.49 22 14 0 2.1 2 320 0 1 8.2 23 14 1 2.4 2 320 1 1 8.73 24 14 1 1.8 2 500 1 1 8.57 25 14 0 2.1 2 320 1 1 8.31 26 14 0 2 2 250 1 0 8.27 27 14 0 2.2 2 320 1 0 8.52
14
28 11.6 0 1.3 2 320 0 1 8.32 29 14 0 2.26 4 500 1 1 8.72 30 13.3 0 1.2 2 320 0 1 8.54 31 13.3 1 2.4 2 320 1 1 8.7 32 18.4 0 2.53 4 500 1 1 9.59 33 11.6 0 1.2 2 320 0 0 8.41 34 12.1 0 1.2 1 120 0 1 9.39 35 13.3 0 2.2 2 320 0 1 8.39 36 14 0 2.2 2 320 0 0 8.23 37 13.3 0 1.2 2 320 0 1 8.54 38 14 0 1.86 2 320 1 1 8.41 39 18.4 1 1.6 6 500 1 1 9.66 40 14 1 2.4 4 500 1 1 8.94 41 14 0 2.13 4 500 1 1 8.7 42 13.3 0 2.13 2 320 1 1 8.64 43 12.1 0 1.33 2 128 0 1 9.58 44 14 0 2.1 2 320 0 1 8.27 45 13.3 0 1.86 2 320 1 1 8.41 46 14 0 2 2 250 0 0 8.46 47 14 0 2.1 2 320 1 1 8.37 48 14 1 2.26 4 500 1 1 9.1 49 14 0 1.86 2 320 1 1 8.41 50 13.3 0 1.86 2 320 0 1 8.34 ];
x=x0(:,2:8); y=x0(:,9); stepwise(x,y)
%戴尔逐步回归 clc,clear
x0=[1 14 0 2.26 2 320 1 1 8.49 2 14 1 2.4 2 320 1 1 8.6 3 14 0 2.26 2 320 1 1 8.58 4 14 1 2.4 2 320 1 1 8.68 5 14 0 2.2 2 250 0 1 8.12 6 14 0 2 2 320 1 1 8.5 7 14 0 2.26 2 320 1 1 8.41 8 11.6 0 1.3 2 320 1 1 9.1 9 15.6 0 2.26 2 320 1 1 8.58 10 14 0 2.2 2 250 0 1 8.23 11 13.3 1 2.4 4 500 1 1 8.86 12 14 0 2.1 2 320 1 0 8.41 13 15.6 0 2.13 2 320 1 1 8.52 14 14 1 2.26 2 320 1 1 8.58
15
15 14 0 1.86 2 250 1 1 8.43 16 13.3 0 2.13 2 320 1 1 8.58 17 11.6 0 1.3 2 320 0 1 8.24 18 14 0 2.26 2 500 1 1 8.46 19 17 1 1.73 4 500 1 1 11.38 20 14 1 2.4 2 500 1 1 8.8 21 14 0 2.3 2 320 0 1 8.19 22 13.3 1 1.2 4 500 1 1 8.85 23 13.3 0 2.2 2 320 1 1 8.37 24 14 1 1.6 4 500 1 1 8.9725 15.6 1 2.4 2 320 1 1 8.6726 15.6 1 1.6 4 320 1 1 9.6227 14 1 1.6 4 500 1 1 9.0528 14 0 2.13 2 250 1 1 8.4129 11.6 0 1.3 2 250 0 1 8.2930 14 0 2.26 2 320 1 1 8.5831 15.6 0 1.9 2 250 1 1 8.2932 14.1 1 2.4 2 320 1 0 8.9933 14 0 1.3 2 320 1 1 8.4334 13.3 0 2.26 2 320 1 1 8.6335 15.6 1 2.4 2 500 1 1 8.7836 14 0 2.1 2 500 1 0 8.2737 14 1 2.26 2 320 1 1 8.6338 13.3 0 2.13 2 250 0 0 8.4639 17 1 2 4 500 1 0 10.4940 14 0 1.86 2 320 1 1 8.3241 15.6 1 2.26 2 320 1 1 8.6342 14.1 1 2.4 2 160 0 0 9.0943 14.1 1 2.66 4 320 1 0 9.1544 13.3 1 2.4 4 500 1 0 8.8845 14 0 2.1 2 320 0 0 8.2746 11.6 0 1.7 2 250 0 1 8.1947 14 1 2.4 3 320 1 0 8.748 15.6 0 2.13 2 250 0 0 8.4849 15.6 0 2.1 2 250 1 1 8.3950 14 1 2.4 4 500 1 1 8.88];
x=x0(:,2:8); y=x0(:,9); stepwise(x,y)
%联想逐步回归 clc,clear
x0=[1 14 0 2.13 2 320 1 0 8.51 16
2 14 0 2.13 2 320 1 1 8.58 3 14 0 2.26 2 320 1 1 8.42 4 14.1 1 2.26 2 320 1 0 9.07 5 14 1 2.26 2 250 0 0 8.65 6 14 1 2.26 2 320 1 1 8.68 7 15.6 1 1.6 4 532 1 1 9.08 8 14 1 2.4 2 500 1 1 8.68 9 14 0 2.26 2 500 1 1 8.58 10 11.6 0 1.6 2 250 0 0 8.16 11 12.1 0 2.26 2 250 0 0 8.8112 14 0 2.26 2 320 1 0 8.5313 14 0 2.1 2 320 1 0 8.2614 14 0 2.2 2 320 1 1 8.2915 14 0 2.13 2 320 1 0 8.4816 14 0 1.8 1 160 0 1 7.9417 13.3 0 2.26 2 500 1 1 8.518 14 0 2.2 2 320 0 0 8.2919 14 1 2.26 2 320 1 0 8.6120 14 1 2.26 2 320 1 1 8.6721 14 1 2.4 2 500 1 1 8.6822 14 0 2.26 2 500 1 1 8.4323 13.3 0 1.4 3 128 0 1 9.7524 13.3 0 1.86 2 320 1 1 8.3525 13.3 0 2.26 2 500 1 1 8.4926 14.1 0 2.1 3 250 1 0 8.7227 17 0 3.06 2 320 1 0 10.4428 14 0 2.13 2 320 1 1 8.4929 13.3 0 2.13 2 320 1 0 8.4930 11.6 0 1.6 1 160 0 0 7.9931 14.1 0 2.26 2 320 1 0 8.9732 14 1 2.26 2 320 1 1 8.4733 17 1 1.73 4 628 1 0 11.2934 14 0 2.26 2 500 1 0 8.535 14 0 2.2 2 320 1 0 8.4936 14 0 2.2 2 250 1 1 8.2337 12.1 0 2.26 2 320 0 0 8.9438 14 0 2.1 2 320 1 0 8.5139 12.1 0 2.26 2 320 0 0 8.8540 14 0 2.26 2 532 1 1 8.7441 14 0 2.26 2 500 1 1 8.4342 14 1 2.4 2 500 1 0 8.6143 14 0 2.1 1 250 0 1 8.1244 14 0 2.26 2 500 1 1 8.6145 15.6 1 2.26 4 500 1 1 8.9
17
46 14.1 0 2.13 2 320 1 0 8.5 47 14.1 0 2.2 2 250 0 0 8.17 48 15.6 0 2.13 2 320 1 0 8.62 49 14 0 2.13 2 250 1 0 8.34 50 14 1 2.4 2 500 1 1 8.59 ];
x=x0(:,2:8); y=x0(:,9); stepwise(x,y)
附录2：spss程序 *正交设计. ORTHOPLAN
/FACTORS=brand '品牌'( 1 '惠普' 2 '戴尔' 3 '联想'4 '东芝')price '价格'( 1 '5000元以下' 2 '5000-8000元' 3 '8000元以上') capacity '内存' ( 1 '1' 2 '2' 3 '4') yingpan'硬盘容量' ( 1 '250以下' 2 '250-400' 3 '400以上')xianka'显卡' ( 1 '独立' 2 '集成' 3 '独立加集成') fashion '尺寸' ( 1 '13' 2 '15' 3 '15上')
/OUTFILE='E:tempmp1plan.sav'. *生成模拟产品的卡片.
GET FILE='E:tempmp1plan.sav'. PLANCARDS
/FACTOR=brand price capacity yingpan xianka fashion /FORMAT card /PAGINATE
/OUTFILE='E:tempcards1.txt'. *输入收集的数据.
DATA LIST FREE / ID score1 to score25. BEGIN DATA
1 7 3 3 4 5 3 4 3 4 7 8 4 4 4 4 5 5 5 5 3 4 4 5 5 4 END DATA.
SAVE OUTFILE='E:tempmp1data.sav'. *进行结合分析. CONJOINT
PLAN='E:tempmp1plan.sav' /DATA='E:tempmp1data.sav'
/FACTORS=brand price capacity yingpan xianka fashion /SUBJECT=id
/SCORE=score1 to score25 /PLOT=all
18