...示,经过DOSC处理后,土壤有机质含量和pH值的近红外定标模型效果达到最佳,其相关系数(r)分别达到0.953,0.937,预测误差均方根(RMSEP)分别为0.258(%),0.248。
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结果:所建的5个模型对验证集样品水分含量的预测值与实测值的相关系数均在0.90以上,预测误差均方根(RMSEP)均在0.05以下。
Result:The coefficients of correlation of inner cross validation and external validation are both above 0.90, and the RMSECV and RMSEP are both below 0.05.
对测试数据的预测结果表明,该预测系统能够可靠工作,预测结果的均方根误差在15%左右。
The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.
通过对华东某地市电网日负荷96 点曲线的预测结果显示,该方法效果较好,日预测均方根误差在1.78%以内,能较好地满足实际电力系统的负荷预测要求。
The forecasting results of a city in east China showed that, the MSE forecasting error of 96 points daily load is only about 1.78%. The method can satisfy the request of real power system well.
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