A LINEAR COMPOSITE METHOD FOR TEST SCORES WITH MISSING VALUES
A LINEAR COMPOSITE METHOD FOR TEST SCORES WITH MISSING VALUES
批准号:
10680315
负责人:
SHIBAYAMA Tadashi
金额:
$1.22万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
1998
资助国家:
日本
项目状态:
已结题
起止时间:
1998 至 1999
中文摘要
在这里,我提出了一个线性合成方法的不完全数据。该方法是基于最小二乘准则,并可以获得解析解,在这样一种方式,即个体差异最大化,允许变量的平均值之间的差异。如果数据矩阵是完备的,则该方法等价于普通的PCA。仿真研究,以证明该方法的有效性。
英文摘要
Here I present a linear composite method for incomplete data. The method is based on the least squares criterion and can obtain solutions analytically in such a way that is individual differences are maximized allowing for differences between means of variables. If a data matrix is complete, the method is equivalent to ordinary PCA. A simulation study is given in order to demonstrate the efficacy of the method.
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