估计出四个因变量的方程
在t年y(i,t)(i=1,2,3,4)求和为100%
因变量 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
y1 | 15.06 | 14.39 | 13.74 | 12.80 | 13.39 | 12.12 | 11.11 | 10.77 | 10.73 | 10.33 | 10.10 | 10.04 |
y2 | 40.35 | 39.74 | 39.42 | 40.45 | 40.79 | 41.76 | 42.21 | 41.58 | 41.48 | 39.67 | 40.03 | 39.86 |
y3 | 5.57 | 5.41 | 5.37 | 5.52 | 5.44 | 5.61 | 5.74 | 5.75 | 5.97 | 6.57 | 6.64 | 6.75 |
y4 | 39.02 | 40.46 | 41.47 | 41.23 | 40.38 | 40.51 | 40.94 | 41.89 | 41.82 | 43.43 | 43.24 | 43.35 |
自变量 | ||||||||||||
x1 | 27.70 | 28.48 | 29.30 | 30.03 | 31.93 | 33.60 | 35.28 | 36.60 | 38.56 | 40.18 | 41.89 | 43.68 |
x2 | 111.83 | 121.52 | 133.64 | 150.68 | 168.02 | 187.47 | 211.61 | 243.15 | 267.30 | 290.64 | 325.70 | 359.50 |
x3 | 79.91 | 85.33 | 92.83 | 104.04 | 112.50 | 130.50 | 152.98 | 177.74 | 194.63 | 230.74 | 261.82 | 287.26 |
x4 | 95.61 | 105.42 | 116.42 | 127.49 | 140.31 | 157.47 | 179.73 | 208.46 | 230.14 | 252.15 | 276.75 | 302.77 |
多元logit模型如下: