时间

真实值

预测值

相对误差值

2011/1/1

276.548

NA

NA

2011/2/1

275.759

276.535

0.28%

2011/3/1

275.538

275.748

0.08%

2011/4/1

275.915

275.527

0.14%

2011/5/1

277.029

275.904

0.41%

2011/6/1

278.550

277.015

0.55%

2011/7/1

281.838

278.533

1.17%

2011/8/1

283.901

281.812

0.74%

2011/9/1

283.851

283.869

0.01%

2011/10/1

280.803

283.820

1.07%

2011/11/1

278.435

280.779

0.84%

2011/12/1

276.834

278.418

0.57%