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特征根估计
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特征根估计
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eigenvalue estimation
特征根估计
在主成分分析中,将一系列可能相关的变量通过正交变化转化成一系列线性无关的变量(称为“主成分”),涉及矩阵特征分解,得到特征根的过程,可用于计算累积贡献率来确定选取多少个重要的主成分。
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forest glass
forest governance
forest-grass measures of soil and water conservation
forest harvesting
forest harvesting income
forest harvesting quota system
forest health
forest health management
forest highway culvert
forest humus
Forest Hydrology
forest hydrology
forest income
forest industry
forest insect pests
forest insurance
forest inventory
forest inventory planning
forestland asset
forestland differential rent
forestland evaluation
forestland expectance value
forestland expense value method
forest land fertilization
forestland net benefit
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更新时间:2026/6/17 6:45:05