1
2
=51=49 20=26.4%, 30=27.4%, 40=21.5%, 50=24.7% WEB http://www.is.nri.co.jp/contest/data.html 3
y cx 4
420015 http://www.saveinfo.or.jp/finance/chosa/yoron2003/pdf/03yoron5.pdf http://www.asahi-net.or.jp/~ny3k-kbys/contents/intro_studyofinfosociety.html 5
6 21.1657 71.5 34,489 11.0 21.1657 71.5 34,489 11.0 20.1626 TV42.7 857,193 274.7 20.1626 TV42.7 857,193 274.7 20.1626 Web63.8 1,227,220 393.2 20.1626 Web63.8 1,227,220 393.2 45 45
7 21.6674 45.8 37,960 12.2 21.6674 45.8 37,960 12.2 18.6582 74.7 8,378 2.7 18.6582 74.7 8,378 2.7 25.5797 57.0 18,227 5.8 25.5797 57.0 18,227 5.8 RFMF
8 40 32 20.8648 58.5 95,512 30.6 20.8648 58.5 95,512 30.6 24.7770 55.3 11,515 3.7 24.7770 55.3 11,515 3.7
9 31 31 31 31 40 40 22.5702 46.3 16,095 5.2 22.5702 46.3 16,095 5.2 24.9776 53.5 16,134 5.2 24.9776 53.5 16,134 5.2 83 166 21.4667 60.3 10,570 3.4 21.4667 60.3 10,570 3.4 21.0656 59.3 9,917 3.2 21.0656 59.3 9,917 3.2
10
12 R25 R25 83.37Holdout Modeler 11
26 26 TV TV 16 16 CHAID CHAID 55 55 81.32 12
WEB WEB 11 Web Web 76.9 13
TOP30 14
400 TV WEB 400 WEB 15
40 40 WEB WEB <cf.2009b> <cf.2009b> 43.028.6 43.028.6 WEB29.232.1 WEB29.232.1 27.232.6 27.232.6 16
TV4 2 =4.282, df=3, p=0.233; Web4 2 =1.658, df=3, p=0.646 () TV4 2 =10.913, df=3, p=0.012; Web4 2 =4.123, df=3, p=0.248 17
Web Web 80.2 18
19
17 17 2-4 2-4 0.5 0.5 0.3 0.3 7 7 19 83.18 20
53 53 86.48 54.2 70.6 21
20.2632 20.2632 60.8 60.8 112,169 112,169 35.9 35.9 07 35 35 6 6 07! 86.0 22
21.5672 21.5672 63.4 63.4 32,628 32,628 10.5 10.5 81.26 23
24
25% 08 200915BP p4-7, http://adweb.nikkeibp.co.jp/adweb/sp/naa2009/doc/naa2009-4.pdf 25
25% 25% 26
27
08 28
29
30