The mean absolute percentage error (MAPE) and the root of mean square error (RMSE) of WA-SVM method was 0.04937 and 0.3453 respectively, whereas MAPE and RMSE of SVM method were 0.08493 and 0.6319.

• WA-SVM方法预测精度较SVM方法有较大提高，其平均绝对百分比误差和均方根误差分别为0.；04937和0