Estimating Means When a Group of Observations Is Classified by a Linear Discriminant Function
线性判别分类后一组观测下的均值估计AI 解读 ↓
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反馈分类问题线性判别分类后一组观测下的均值估计AI 解读 ↓
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Suppose that a group of observations is known to have come from either one of two normal populations with unknown means and common variance. After the group is classified by the linear discriminant function, it is pooled with the sample from the population to which it belongs to estimate the unknown mean. Weighted estimators of the population means are defined. The biases and mean squared errors of the estimators in the univariate case are obtained. Estimators of the population means using the estimated weighting constant are proposed, and the relative efficiencies of the estimators are studied.