之后出来的图像横坐标并不是时间,而是b,请问这个代码应该怎么写。谢谢啦。
s b Gvar Yvar
1980 -0.02400 0.22577 3.06121 2.023190
1981 -0.07578 0.26739 1.05229 1.399608
1982 -0.05751 0.29374 -0.54425 0.792793
1983 -0.06503 0.33665 -2.14653 0.246519
1984 -0.07638 0.40149 -0.84130 0.051629
1985 -0.10312 0.46724 0.87540 0.084501
1986 -0.09240 0.47246 0.50350 -0.467000
1987 -0.08628 0.52528 -2.84640 -1.385860
1988 -0.10394 0.57195 0.23400 -1.729390
1989 -0.12981 0.59952 2.83660 -1.811040
1990 -0.14506 0.73316 1.33500 -0.060970
1991 -0.10370 0.74847 3.01720 -0.894230
1992 -0.11504 0.80144 1.92420 0.038730
1993 -0.12397 1.00510 -2.01360 0.779420
1994 -0.09016 0.98512 -2.29960 -0.760040
1995 -0.06986 0.99209 -2.84640 0.191660
1996 -0.06791 1.01603 -3.50640 -0.010550
1997 -0.06024 0.98736 -3.06770 0.610330
1998 -0.03905 0.96581 -3.25720 -0.902580
1999 -0.03137 1.02509 -3.63620 -2.676290
2000 -0.03692 1.03442 -2.80130 1.164250
2001 -0.04328 1.03716 -2.27500 -1.560180
2002 -0.04805 1.01451 -2.62750 -2.836410
2003 -0.05668 0.97270 0.99960 -1.930700
2004 -0.07398 0.98844 3.02200 -0.336920
2005 -0.05298 1.00291 2.47140 -4.516660
2006 -0.06121 1.06107 7.47520 0.029900
2007 -0.06686 1.05412 12.18530 5.639700
2008 -0.09804 1.10721 12.15270 12.980400
2009 -0.15513 1.27100 6.75950 15.766300
2010 -0.10420 1.42757 -1.53070 2.270800
2011 -0.07982 1.65559 -10.21970 -8.338200
2012 -0.06874 1.89149 -13.44530 -13.852700