ON A MULTIPLE THREE-DECISION PROCEDURE FOR COMPARING SEVERAL TREATMENTS WITH A CONTROL

For the two-sided comparisons of several treatments with a control, a common statistical problem is to decide which treatments are better than the control and which are worse than the control. This paper studies a multiple three-decision procedure for this purpose, proposed by Bohrer (1979) and Bohrer et al. (1981), and provides tables of critical points to facilitate the application of the procedure. The paper defines a power function of the procedure, and tabulates sample sizes necessary to guarantee a given power level. It addresses the problem of optimal sampling allocation in order to maximize the power for a given total sample size, and considers generalization to the situation where the treatments might have unequal numbers of observations.     

RDS编码器的实现技术

介绍了广播数据系统（ＲａｄｉｏｎＤａｔａＳｙｓｔｅｍ，简称ＲＳＤ）利用现有调频立体声电台，在其基带频谱的上边界外（５７ｋＨｚ±２ｋＨｚ处）附加一块用ＤＰＳＫ方式调制的数据信息的频谱（一般称其为附加信近）多工地传送广播信息的基本原理，讨论了发端编码器的结构、实现方案以及波形成形截短的影响，并给出了一个实际模型。     

Nonparametric density estimation from data with a mixture of Berkson and classical errors

The author considers density estimation from contaminated data where the measurement errors come from two very different sources. A first error, of Berkson type, is incurred before the experiment: the variable X of interest is unobservable and only a surrogate can be measured. A second error, of classical type, is incurred after the experiment: the surrogate can only be observed with measurement error. The author develops two nonparametric estimators of the density of X, valid whenever Berkson, classical or a mixture of both errors are present. Rates of convergence of the estimators are derived and a fully data‐driven procedure is proposed. Finite sample performance is investigated via simulations and on a real data example.     

A Bayesian method of sample size determination with practical applications

Summary.  The problem motivating the paper is the determination of sample size in clinical trials under normal likelihoods and at the substantive testing stage of a financial audit where normality is not an appropriate assumption. A combination of analytical and simulation-based techniques within the Bayesian framework is proposed. The framework accommodates two different prior distributions: one is the general purpose fitting prior distribution that is used in Bayesian analysis and the other is the expert subjective prior distribution, the sampling prior which is believed to generate the parameter values which in turn generate the data. We obtain many theoretical results and one key result is that typical non-informative prior distributions lead to very small sample sizes. In contrast, a very informative prior distribution may either lead to a very small or a very large sample size depending on the location of the centre of the prior distribution and the hypothesized value of the parameter. The methods that are developed are quite general and can be applied to other sample size determination problems. Some numerical illustrations which bring out many other aspects of the optimum sample size are given.     

浅谈企业发展之对策与误区

本文列举了企业发展过程中应采取的正确对策与应避免的误区 ,供企业管理人员参考。     

Effects of non-normality on the power function in a one-way random model

The effects of non-normality on type-I and type-II errors in a one-way random model are investigated for moderate departures from normality. It is found that the probabilities of both errors are more sensitive to the kurtosis of between group effects than that of within group effects.     

中华书局版《四书章句集注》点校释误(二)

中华书局1983年版《四书章句集注》的点校存在问题有三:一是由于对引文疏于上溯原文的考证,导致对引文及引文中的引文界定不清;二是朱子在注解《四书》的过程中,非单纯甄别、选用原文,他在对原文进行择选后又加以精心改动,附以点评,对于朱子点评部分书局版并未加以区分;三是还存在漏加前后引号及引号标记错误、漏加书名号及书名号标记错误、专有名词标记错误等问题。     

中国资本外逃的测算与防范

资本外逃是金融危机产生的催化剂与蔓延的助动器 ,对一国经济安全构成极大威胁。通过介绍资本外逃及其测算模型 ,运用间接法对我国资本外逃进行估算 ,结果显示中国存在严重的资本外逃现象。在详细分析中国资本外逃的产生原因之后 ,具体提出了一些相关防范对策     

提高编校注意力探析

注意力是编校过程中重要的心理因素 ,直接影响编辑质量。应从利用有意注意 ,保持职业敏感 ;对编校差错进行分类 ,合理分配注意 ;选择注意 ,要有所为 ,有所不为 ;认准编校目标 ,培养注意稳定性等方面提高编校人员的注意力。     

论名牌产品的自主创新

抢占国际竞争的战略制高点关键靠核心技术,而核心技术必须是自主创新,它是创造名牌产品的关键。在构建社会主义和谐社会的今天,创造名牌产品是切实提高自主创新能力和国际竞争力的集中表现,是改善人民生活的需要,我国实施名牌战略中有几个误区,也有许多发展名牌产品的有利条件。建立争创名牌的企业内在环境和自主创新机制,坚持企业主体公平和合理的竞争原则等是名牌产品自主创新的措施。