نتایج جستجو برای: single level
تعداد نتایج: 1855553 فیلتر نتایج به سال:
Queueing Theory deals with problems where some restricted resource should be shared between competitive flow of requests. In this paper we use Queueing Theory methods to perform a quantitative analysis of a single-level single-mediator multi-agent system. In the system, several agents, coordinated by the mediator process user queries. We adopt matrix analytic methods to compute performance char...
The advent of single-cell sequencing opens new avenues for personalized treatment. In this paper, we address a two-level clustering problem simultaneous subject subgroup discovery (subject level) and cell type detection (cell expression data from multiple subjects. However, current statistical approaches either cluster cells without considering the heterogeneity or group subjects using informat...
abstract this study investigates the teachers’ correction of students’ spoken errors of linguistic forms in efl classes, aiming at (a) examining the relationship between the learners’ proficiency level and the provision of corrective feedback types, (b) exploring the extent to which teachers’ use of different corrective feedback types is related to the immediate types of context in which err...
according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...
Received: 15 Aug, 2012 Accepted: 19 Oct, 2012 Abstract : Background & Aims: Measles, rubella and mumps vaccination prevented the viral diseases threatening children during the recent decades. The incidences of these diseases in countries with high vaccination coverage have reduced significantly. Initial vaccination was as a single dose and then two dose vaccination was introduced. This chan...
In this paper the development of a single set of design parameters of the sizing of the tidally affected detention pond system was analyzed and tested. The approach uses critical duration single storm event of specified return period, together with a single harmonic tide. The design flood level is then the aggregate of the levels obtained using the system model with the four phase lags between ...
Current DoD information systems need to support many different missions through cooperation with different organizations and allies. In today’s fast paced and dynamic environment, it is almost impossible to design and implement a different information system for each mission. Therefore, DoD needs MLS workflow management systems (WFMS) to enable globally distributed users and existing applicatio...
Multiple testing is a problem in genome-wide or region-wide association studies. In this report, we consider a study design given by the Genetic Analysis Workshop 15 (GAW15) Problem 3 - nuclear families (parents with their affected children) and unrelated controls. Based on this design, we propose three two-stage approaches to deal with the problem of multiple testing. The tests in the first st...
A new type of test is presented for genome-wide association studies using a case-control design. It is referred to as the adaptive two-stage (ATS) analysis, being based on both the Hardy-Weinberg disequilibrium trend test (HWDTT) and the Cochran-Armitage trend test (CATT). The procedure for the ATS is to screen single-nucleotide polymorphisms (SNPs) using the HWDTT in a first stage, and then te...
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