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双因素方差分析中列调整行效应与简单行均值假设的等价条件AI 解读

In an unbalanced, fixed-effects, two-way analysis of variance there are three distinct, frequently encountered hypotheses, each of which can be described as a hypothesis of “no row effects.” This article derives necessary and sufficient conditions on the cell sizes for the “rows adjusted for columns” hypothesis to be identical to the “simple row means” hypothesis. The results in this article, together with previous results, complete the characterizations in terms of cell…

经济系统计算机模拟实验中的实验设计问题AI 解读

Experimental design considerations have been virtually ignored by economists who have conducted computer simulation experiments with models of economic systems. The objective of this paper is to spell out in detail the relationship between existing experimental design techniques and techniques of data analysis and the design of simulation experiments with economic systems. We begin by defining the problem of experimental design as applied to computer simulation experiments.…