论文检索

家庭批量购买情形下的食品支出估计AI 解读

The aim of this article is the estimation of annual food expenditures with limited information about bulk purchases with data from a Spanish household-budget survey for 1990-91. Three alternatives are compared. The first, currently used for official purposes, does not use all the information. The second uses all the available information in a rough way. The third assumes a formal model for the unknown frequency of purchases. The three alternatives are compared by a…

构建回归模型的稳健方法：住房部门应用AI 解读

This article studies robustification strategies for the linear model in the presence of outliers.The advantages of an internal analysis of the robustness of least squares for a given sample are pointed out.The application of this methodology is illustrated by building an explicit model of the determinants of rental housing values in the Madrid Metropolitan Area.

稳健回归建模方法：住房部门的应用AI 解读

This article studies robustification strategies for the linear model in the presence of outliers. The advantages of an internal analysis of the robustness of least squares for a given sample are pointed out. The application of this methodology is illustrated by building an explicit model of the determinants of rental housing values in the Madrid Metropolitan Area.