文章详细信息 关键词: 主成分回归;模拟计算;偏倚;误差 [gap=399]Keywords: principal components regression;simulated calculation;bias;error
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...番茄果实的乙烯合成量等生理特性指标与可见/近红外光谱的相关 性进行研究,并利用主成分回归(Principal components regression,PCR)、偏最小二乘回归(Partial least squaresregression,PLSR)和多元线...
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...番茄果实的乙烯合成量等生理特性指标与可见/近红外光谱的相关 性进行研究,并利用主成分回归(Principal components regression,PCR)、偏最小二乘回归(Partial least squaresregression,PLSR)和多元线...
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所以,我们采用了另外一种 模型方法,主成分回归法(Principal Components Regression, PCR)。这种方法相当于两步的 偏最小二乘法,所得到的模型系数与偏最小二乘法基本相同(Johnson and...
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Methods: to introduce the correlation principal components regression (CPCR) and compare the difference between the CPCR and top-down PCR.
方法:介绍相关主成分回归c PCR法并将该法与传统的主成分回归进行比较。
It is proved that the combining ridge and principal components regression have the minimum variance sum in the class of reduced-dimension estimators.
证明了在一类岭型降维估计中,岭型主成分估计的方差和最小。
Predictive capability between the new model (principal components ANN model) and linear regression model for the same predictors is discussed based on the independent samples and historical samples.
将这种新的预测模型(主成分神经网络预报模型)与同样根据这些预报因子建立的逐步回归预报模型进行了对比分析。
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