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84 results for “Multivariate Analysis”
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Research ArticleOpen accessIn the abstractFACILITATING STUDENTS’ GEOMETRIC THINKING THROUGH VAN HIELE’S PHASE-BASED LEARNING USING TANGRAMNyet Moi Siew, Chin Lu Chong, Mohamad Razali AbdullahThe aim of this study was to determine the effects of Van Hiele’s phases of learning using tangrams on 3rd grade primary school students’ levels of geometric thinking at the first (visual) and second (analysis) level. The study further investigated if high, moderate and low ability students acquire better mastery in geometric thinking at the end of tangram activities. Pre-test … …Journal of Social Sciences, Vol. 9, Issue 3 · 2 Oct 2013 · 10,462 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Taxonomic Affinity of Indonesian Pummelo (Citrus maxima (Burm.) Merr.) Based on Morphological CharactersRatna Susandarini, Siti Subandiyah, Rugayah et al.Citrus maxima is a tropical fruit species with high morphological variability on fruit characters, including shape, size, thickness of peel, flesh color and taste. This variability has been used by breeders and common people to practically distinguish different pummelo cultivars. Despite such well known variation, so far there is no published study specifically addressed the extent of phenotypic variability and … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 3 · 4 Sep 2013 · 8,545 accessesView PDFCite
Research ArticleOpen accessIn the abstractTwo-Step Robust Diagnostic Method for Identification of Multiple High Leverage PointsArezoo Bagheri, Habshah Midi, A.H.M. Rahmatullah ImonProblem statement: High leverage points are extreme outliers in the X-direction. In regression analysis, the detection of these leverage points becomes important due to their arbitrary large effects on the estimations as well as multicollinearity problems. Mahalanobis Distance (MD) has been used as a diagnostic tool for identification of outliers in multivariate analysis where it finds the distance between normal … …Journal of Mathematics and Statistics, Vol. 5, Issue 2 · 30 Jun 2009 · 8,308 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Acute-phase Reactants, Immunologic Markers and other Clinical and Laboratory Parameters in Patients with Pneumonia and Non-pneumonic Lower Respiratory Tract InfectionsJulio Collazos, María del Mar Martínez, Fernando IzquierdoMore efficacious tools to distinguish pneumonia from other acute lower respiratory tract infections (OALRTI) in facilities where radiologic studies are not easily or rapidly available are desirable to select the patients who should undergo chest radiographs, to avoid unnecessary visits to the emergency wards of hospitals and to optimize health resources. To this end we analyzed the relevance of many … …American Journal of Infectious Diseases, Vol. 3, Issue 1 · 31 Mar 2007 · 7,087 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Total Productivity PCA Model for Assessment and Improvement of Electrical Manufacturing SystemsAli Azadeh, Farid GhaderiThis study presents a framework for assessment of electrical manufacturing systems based on a total machine productivity approach and multivariate analysis. Furthermore, the total model is developed by Principle Component Analysis (PCA) and validated and verified by Numerical Taxonomy (NT) and non-parametric correlation methods, namely, Spearman correlation experiment and Kendall Tau. To achieve the objectives of this study, a comprehensive … …Journal of Mathematics and Statistics, Vol. 1, Issue 3 · 30 Sep 2005 · 6,275 accessesView PDFCite
Research ArticleOpen accessIn the abstractProcalcitonin and Clinical Factors Associated with Severe Dengue Infection in Hospitalized Adults in MalaysiaHuzairi Sani, Nada Syazana, Zahir Izuan et al.Dengue Fever (DF) is the commonest mosquito-borne viral infection that results in hospitalisation amongst patients in Malaysia. The cornerstone of managing dengue virus infection is the prediction hence prevention of severe DF from developing. Warning signs proposed by WHO as clinical predictors of severe DF are insensitive. Procalcitonin (PCT) has been shown to increase in bacterial infections and is useful … …American Journal of Infectious Diseases, Vol. 15, Issue 4 · 3 Dec 2019 · 7,362 accessesView PDFCite
Case ReportOpen accessIn the abstractEvaluation of Seasonal Autoregressive Integrated Moving Average Models for River Flow ForecastingKassahun Birhanu Tadesse, Megersa Olumana Dinka, Tena Alamirew, Semu Ayalew MogesReservoir operation policies cannot be functional in instant decision making without forecasting the future reservoir inflows. For forecasting inflows into reservoirs with only hydrological data is available like Koga irrigation dam, multivariate forecasting models cannot be used to generate accurate river flow information. As a result, an evaluation of univariate Seasonal Autoregressive Integrated Moving Average (SARIMA) models was done for … …American Journal of Environmental Sciences, Vol. 13, Issue 5 · 28 Sep 2017 · 7,891 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrediction on Land Market Value Based on the Real Estate Market in USALei WangThe Land Market Value, defined as the total value of land price and quantity data are derived from data on housing values, is an important factor in the estimation of structure costs using price indexes for housing and construction costs. In this study, we gather and analyze 34 years' national data on past and present real estate transaction. According to … …Journal of Mathematics and Statistics, Vol. 13, Issue 2 · 23 May 2017 · 7,561 accessesView PDFCite
Research ArticleOpen accessIn the abstractBinding Mechanism of Bovine Serum Albumin to Troxerutin by Synchronous Fluorescence Spectroscopy and ChemometricsTianhu Wang, Yi Yan, Yinsheng LuoPrevious works have reported the binding of Bovine Serum Albumin (BSA) to troxerutin by absorption and fluorescence spectroscopy. In order to extend the investigation of their binding characteristics, the study presented here was designed to evaluate their interaction by the synchronous fluorescence spectroscopy and Multivariate Curve Resolution With Alternating Least Squares (MCR-ALS) under simulative physiological conditions. The Evolving Factor Analysis … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 2 · 14 May 2016 · 7,455 accessesView PDFCite