小弟新学eviews，问题不断，很多理论知识也不行。求大哥大姐帮帮忙
小弟问题如下：
1.协整的要求？是所有解释向量都要同阶单整？查了很多，众说纷纭的感觉。
2.GDP，人口这些数据在做协整的时候，是用原始的？还是取过对数的？
2.协整的选择，那6个个选项，还有滞后期到底怎么选？
3.协整的结果输出，很是看不懂，还有为什么我的数据输出时P值离奇的高？是不是超过1%就把该解释变量剔除?
4.希望有高手可以帮我作出协整方程。EC是被解释。数据如下：
obs EC GDP RK SI MT CHSH JSH
1978 57144.00 3645.200 96259.00 47.90000 70.70000 17.92000 15.68000
1979 58600.00 4062.600 97542.00 47.10000 71.00000 18.96000 14.42000
1980 60275.00 4545.600 98705.00 48.20000 72.20000 19.39000 13.26000
1981 59400.00 4891.600 100072.0 46.10000 72.70000 20.16000 12.14000
1982 62100.00 5223.400 101654.0 44.80000 73.70000 21.13000 11.67000
1983 66000.00 5962.700 103008.0 44.40000 74.20000 21.62000 11.07000
1984 70900.00 7208.100 104357.0 43.10000 75.30000 23.01000 9.840000
1985 76682.00 9016.000 105851.0 42.90000 75.80000 23.71000 8.510000
1986 80850.00 10275.20 107507.0 43.70000 75.80000 24.52000 7.870000
1987 86632.00 12058.60 109300.0 43.50000 76.20000 25.32000 7.180000
1988 92997.00 15042.80 111026.0 43.80000 76.20000 25.81000 6.180000
1989 96934.00 16992.30 112704.0 42.90000 76.00000 26.21000 5.700000
1990 98703.00 18668.00 114333.0 41.30000 76.20000 26.41000 5.290000
1991 103783.0 21782.00 115823.0 41.80000 76.10000 26.37000 4.760000
1992 109170.0 26924.00 117171.0 43.50000 75.70000 27.63000 4.050000
1993 115993.0 35334.00 118517.0 46.60000 74.70000 28.14000 3.280000
1994 122737.0 48198.00 119850.0 46.60000 75.00000 28.62000 2.550000
1995 131176.0 60794.00 121121.0 47.20000 74.60000 29.04000 2.160000
1996 138948.0 71177.00 122389.0 47.50000 74.70000 29.37000 1.950000
1997 137798.0 78973.00 123626.0 47.50000 71.70000 29.92000 1.740000
1998 132214.0 84402.00 124810.0 46.20000 69.60000 30.40000 1.570000
1999 133831.0 89677.00 125909.0 45.80000 69.10000 30.89000 1.490000
2000 138553.0 99215.00 126743.0 45.90000 67.80000 36.22000 1.400000
2001 143199.0 109655.0 127627.0 45.20000 66.70000 37.66000 1.310000
2002 151797.0 120333.0 128453.0 44.80000 66.30000 39.09000 1.260000
2003 174990.0 135823.0 129227.0 46.00000 68.40000 40.53000 1.290000
2004 203227.0 159878.0 129988.0 46.20000 68.00000 41.76000 1.270000
2005 224682.0 183085.0 130756.0 47.50000 68.90000 42.99000 1.230000
2006 246270.0 210871.0 131448.0 48.90000 69.40000 43.90000 1.170000
2007 265583.0 249530.0 132129.0 48.60000 69.50000 44.94000 1.060000
EXCEL数据:在附件。。。。
再次谢谢热心的你，小弟谢过了。
给点建议也好。