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Singularity problems of scatter matrices in Linear Discriminant Analysis (LDA) are challenging and have obtained attention during the last decade. Linear Discriminant Analysis via QR decomposition (LDA/QR) and Direct Linear Discriminant analysis (DLDA) are two popular algorithms to solve the singularity problem. This paper establishes the equivalent relationship between LDA/QR and DLDA. They ca...
2 BEng(Hons), PhD student, RSE, ANU. 3 BEng, Occupational Trainee, RSE, ANU. 4 Professor, School of Mathematical and Geospatial Sciences, RMIT University, GPO Box 2476 Melbourne 3001, Australia 5 BE(Hons)/BSc, PhD, Lecturer, RSE, ANU. 6 BSc (Eng), MSc (Eng), Engineer. Abstract This paper describes the development of ray tracing models for a 500 m dish concentrator. Two distinct types of model h...
Singularity problems of scatter matrices in Linear Discriminant Analysis (LDA) are challenging and have obtained attention during the last decade. Linear Discriminant Analysis via QR decomposition (LDA/QR) and Direct Linear Discriminant analysis (DLDA) are two popular algorithms to solve the singularity problem. This paper establishes the equivalent relationship between LDA/QR and DLDA. They ca...
BACKGROUND In 2006, the US Centers for Disease Control and Prevention (CDC) released new recommendations for routine HIV testing. Among these were recommendations that emergency departments (EDs) offer routine opt-out HIV screening to their patients. We established a screening program implementing these recommendations at an urban university hospital ED in Washington, DC. We report the results ...
abstract the main purpose of this study was to investigate whether there was any significant difference between the speaking achievement of learners who were trained by means of consciousness raising of sociolinguistic skills and that of learners who were trained without the above mentioned task. the participants of this study consist of 60 intermediate level students participating languag...
the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...
From 2007 to 2014 the New York State (NYS) Newborn Screening (NBS) program screened 2 million newborns for congenital adrenal hyperplasia (CAH). The data was analyzed to determine factors that affect 17α-hydroxyprogesterone levels and assist in developing algorithm changes that would improve the positive predictive value of the methodology being used. The concentration of 17-OHP in dried blood ...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
BACKGROUND Neck Pain (NP) is a common musculoskeletal disorder and the literature provides conflicting evidence about its management. OBJECTIVE To describe the methodology used to conduct an overview of reviews (OvR) and to characterize the distribution and risk of bias profiles across the evidence for all areas of NP management. METHODS Standard systematic review (SR) methodology was emplo...
" review the reviews " to ensure fairness and accuracy of judgment (" Kudos to reviewers for the JGP " ; February 2009; JGP 133:129–130). As to publication policies, the JGP is committed to publishing thoroughly vetted scientific papers of the highest quality with mechanistic insight, with all methods and results needed to establish the conclusions in the body of the paper, ideals we maintain a...
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