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41.
42.
Unbiased estimators of the number of individuals in a lot possessing various patterns of types of defects are constructed. Explicit formulas are given for cases of two and three types of defect. Application of the formulas requires knowledge of the probabilities of various kinds of errors in the inspection process. 相似文献
43.
We propose a sequential test for predictive ability for recursively assessing whether some economic variables have explanatory content for another variable. In the forecasting literature it is common to assess predictive ability by using “one-shot” tests at each estimation period. We show that this practice leads to size distortions, selects overfitted models and provides spurious evidence of in-sample predictive ability, and may lower the forecast accuracy of the model selected by the test. The usefulness of the proposed test is shown in well-known empirical applications to the real-time predictive content of money for output and the selection between linear and nonlinear models. 相似文献
44.
This paper is concerned with estimating the parameters of Tadikamalla-Johnson's LB distribution using the first four moments. Tables of the parameters of the LB distribution are given for selected values of skewness (0.0(0.05) 1.0(0.1)2.0) and corresponding available values of kurtosis at intervals of 0.2. The construction and use of these tables is explained with a numerical example. 相似文献
45.
46.
An important step in the statistical problem-solving process is the selection of the appropriate statistical procedure for the real-world situation under analysis. A decision-tree term project has been found to be an effective teaching device to help MBA students understand this step. The project requires the students to construct a decision-tree structure, which, through a series of questions and responses, will lead from the statement of a statistical question to the appropriate sampling distribution to use in addressing the question. 相似文献
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48.
Norman Clark 《Serials Review》2013,39(4):284-290
AbstractThe author, a professor in the field of communication, describes his contrasting experiences with publishing an open access society journal and advising a regional association in regards to turning over publication of its journal to a major commercial publishing firm. Using his experience of producing an open access journal as a foundation, he argues for the intrinsic importance of establishing credibility and exercising personal care in the production and maintenance of a journal. The author argues that current efforts by some societies to increase access to their journals through outsourcing to commercial publishers may be counterproductive to the fundamental goal of disseminating knowledge. 相似文献
49.
Kristina Coop Gordon Donald H. Baucom Norman Epstein Charles K. Burnett Lynn A. Rankin 《Journal of marital and family therapy》1999,25(2):211-223
Couples' cognitions about marriage and their communication patterns have both been found to be highly associated with marital distress. To examine the relationships among marital cognitions, communication, and marital adjustment, we had a sample of 387 community couples complete three self-report measures: the Dyadic Adjustment Scale, the Inventory of Specific Relationship Standards, and the Communication Patterns Questionnaire. Results indicated that the correlation of communication with marital adjustment is higher for women with more relationship-focused standards than for women with less relationship-focused standards; this interaction does not occur for men. The implications of the interaction and the gender difference as well as the importance of teaching communication skills, and working with associated cognitions are discussed. 相似文献
50.
Norman K. Denzin 《Sociological inquiry》2010,80(2):296-312
Grounded theory (GT): the writing is direct, and immediate, subversive, no big words. To wit:
相似文献