很感兴趣。帮顶

> dat
           [,1]      [,2]      [,3]      [,4]      [,5]
[1,]  2689.134  2985.590  3085.078  3440.224  3622.909
[2,]  2668.821  2791.635  2856.767  3190.672  3374.342
[3,]  4778.455  4945.486  5193.116  5647.834  5818.235
[4,]  4768.493  5184.813  5482.062  5958.356  6189.774
[5,]  6675.725  6852.772  7263.746  7814.421  8057.942
[6,]  4563.184  4974.686  5257.550  5715.360  6009.298
[7,]  5964.876  6531.668  6963.109  7508.822  7857.247
[8,] 13421.653 14021.798 15103.956 16007.170 16816.896
[9,]  4354.590  4463.425  4666.761  5088.316  5290.776
[10,] 10925.581 11154.037 11945.404 12696.996 13263.770
[11,]  4971.784  4959.970  5193.311  5631.362  5861.491
[12,]  8600.921  8497.375  9019.710  9633.419  9958.386
[13,] 15639.098 16922.569 18328.884 19408.933 20421.665

> attach(dat)
> plot(d00, d01, col = "blue")
> points(d00, d02, col = "red")
> points(d00, d03, col = "green")
> points(d00, d04, col = "black")

谢谢您的回答，但是一定要将原数据的行和列进行添加操作吗，如果每列的头一行为变量y2000,y2001,y2002,y2003,y2004这样直接是变量名称不行吗，还有行也是要改的吗？