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Research ArticleOpen accessEvery word in the titleAn Instant of Performance Criteria for Outlier IdentificationB. OnoghojobiProblem statement: Different approach to deal with criteria for multivariate outlier identification procedures when it was studentized was presented. Approach: In this respect, associated unpractical dynamic linear model and outlier identification were considered. Results: A resultant studentized Becker outlier version for multivariate outlier was obtained, as an improvement on the original model. Conclusion: The studentized Becker multivariate outlier incorporated the … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 6,991 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOrdinal Logistic Regression Model: An Application to Pregnancy OutcomesK. A. Adeleke, A. A. AdepojuProblem statement: This research aimed at modeling a categorical response i.e., pregnancy outcome in terms of some predictors, determines the goodness of fit as well as validity of the assumptions and selecting an appropriate and more parsimonious model thereby proffered useful suggestions and recommendations. Approach: An ordinal logistic regression model was used as a tool to model the three major … …Journal of Mathematics and Statistics, Vol. 6, Issue 3 · 30 Sep 2010 · 14,546 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnalysis of Salmonella enteritidis Outer Membrane Proteins and Lipopolysaccharide Profiles with the Detection of Immune Dominant ProteinsA. Maripandi, Ali A. Al-SalamahProblem statement: Salmonella infection is a serious medical and veterinary problem world-wide and causes great concern in the human health and food safety. Salmonella enteritidis outer membrane proteins and lipopolysaccharide play important role in the virulence and immunological properties of bacteria. Prophylaxis of enterobacterial infection has proven difficult to achieve. Vaccination is an effective tool for the prevention of Salmonella … …American Journal of Immunology, Vol. 6, Issue 1 · 21 Jun 2010 · 9,147 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEfficient Detection Algorithm for a Multiple-Input and Multiple-Output Multiuser Multi-Carrier Code Division Multiple Access in Time-Varying ChannelsFares Sayadi, Mahamod Ismail, Norbahiah Misran et al.Problem statement: Maximum Likelihood (ML) decoding has been applied for the uplink of a Multi-Carrier Code Division Multiple Access (MC-CDMA) system based on Orthogonal Frequency Division Multiplexing (OFDM). Multiple-Input Multiple-Output (MIMO) channel from k users, which moves at vehicular speed, to the Base-Station (BS) is time-varying. For time-varying channels, Sphere Decoding (SD) was introduced to perform ML decoding. Whereas, computational … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,576 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleDeterminants of Outward Foreign Direct Investments from Small Island Developing StatesDensil A. WilliamsProblem statement: Although there is a burgeoning literature on the rise of Multinational Enterprises (MNEs) from developing economies, comparatively less work exists on MNEs from small, developing economies. Given the precipitous rise in the level of outward foreign direct investments from small, economies, it is still not clear in the academic literature and for policy purposes, those factors in the … …American Journal of Economics and Business Administration, Vol. 1, Issue 2 · 30 Jun 2009 · 7,325 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOutcomes of Human Resource Development InterventionsAbdullah HaslindaProblem statement: In Malaysia, Human Resource Development (HRD) plays an important role in the economic development of the country. Despite government policies encouraging the implementation of HRD activities, as well as the substantial infrastructural and financial support provided, the benefits or outcomes of the HRD activities being implemented and provided to employees have not been examined. The aim of this … …Journal of Social Sciences, Vol. 5, Issue 1 · 31 Mar 2009 · 8,795 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Robust Modification of the Goldfeld-Quandt Test for the Detection of Heteroscedasticity in the Presence of OutliersMd. Sohel Rana, Habshah Midi, A.H.M. Rahmatullah ImonProblem statement: The problem of heteroscedasticity occurs in regression analysis for many practical reasons. It is now evident that the heteroscedastic problem affects both the estimation and test procedure of regression analysis, so it is really important to be able to detect this problem for possible remedy. The existence of a few extreme or unusual observations that we often call … …Journal of Mathematics and Statistics, Vol. 4, Issue 4 · 31 Dec 2008 · 7,936 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInput-Output Feedback Linearization Cascade Controller Using Genetic Algorithm for Rotary Inverted Pendulum SystemIraj Hassanzadeh, Saleh Mobayen, Abbas HarifiThe Rotary Inverted Pendulum (RIP) system is a significant classical problem of control engineering which has been investigated in the past decades. This study presents an optimum Input- Output Feedback Linearization (IOFL) cascade controller utilized Genetic Algorithm (GA). Due to the non-minimum phase behavior of the system, IOFL controller leads to unstable internal dynamics. Therefore a cascade structure is proposed … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,403 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFast Algorithms for Outlier DetectionFawaz A.M. Masoud, Moh'd B. Al- Zoubi, Imad Salah, Ali Al-DahoudFinding fast algorithms to detect outliers (as unusual objects) by their distance to neighboring objects is a big desire. Two algorithms were proposed to detect outliers quickly. The first was based on the Partial Distance (PD) algorithm and the second was an improved version of the PD algorithm. It was found that the proposed algorithms reduced the number of distance … …Journal of Computer Science, Vol. 4, Issue 2 · 28 Feb 2008 · 7,041 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Fast Distance-Based Algorithm to Detect OutliersMoh’d Belal Al-Zoubi, Nadim ObeidvA fast distance-based algorithm for outlier detection will be proposed. It was found that the proposed algorithm reduced the number of distance calculations compared to the nested-loop algorithm. Test results were performed on different well-known data sets. The results showed that the proposed algorithm gave a reasonable amount of CPU time saving. …Journal of Computer Science, Vol. 3, Issue 12 · 31 Dec 2007 · 6,732 accessesView PDFCite