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author:

薛美玉 (薛美玉.) [1] (Scholars:薛美玉) | 梁飞豹 (梁飞豹.) [2] (Scholars:梁飞豹)

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Abstract:

对有序样品而言,每个样品与新样品关系的"密切"程度不同.预测时应该适当降低与次要数据的拟合精度,提高与重要数据的拟合精度,从而提高预测效果.在此思想下,本文提出有序样品加权最小二乘估计中权重的一种取法,即通过迭代的方法来确定一个区间,在此区间上取自然对数,以对数值作为权重来进行加权最小二乘估计.

Keyword:

加权最小二乘估计 有序样品 权重 预测

Community:

  • [ 1 ] [薛美玉]福州大学
  • [ 2 ] [梁飞豹]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2007

Issue: 2

Volume: 35

Page: 167-170

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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