主成分分析法在神经网络集成预报中的应用

Scientia Meteorologica Sinica(2005)

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Abstract
本文将主成分分析方法引入到用神经网络作集成预报中,根据各个主成分的方差贡献的大小来确定所需主成分的个数,在此基础上,对集成预报的原始因子进行重构,以达到对数据进行降维,加快计算速度和提高预报准确率的目的。
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Principal component analysis Integrative forecasting Neural network
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