The purpose of this paper is to summary the literatures on tests of portfolio mean-variance efficiency in the framework of classicalstatistics and Bayesian inference.
In the light of the principle of classicalstatistics, the study on the status and spatial variability of nutrient of lime concretion black soil in Huaibei plain was conducted.
应用经典统计学方法研究淮北平原砂姜黑土养分状况及其空间变异性。
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This is just what cannot be done in classicalstatistics. The application of Bayesian estimation to decision making will be more profitable, if business forecasting is available.