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209 articles for “analysis of variance”
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Research ArticleOpen accessPhrase in the titleOn Three-Way Unbalance Nested Analysis of VarianceSmaila S. Sanni, Eugene C. UkaegbuProblem statement: In this study, we give a simple analytically tractable procedure for solving three-way unbalanced nested Analysis of Variance (ANOVA). In many realistic situations, unbalanced design was unavoidable due to natural constraints and missing data. Approach: Here, we present a comprehensive approach for addressing solutions of problems arising from unbalanced nested ANOVA. We consider the F-statistics under the different … …Journal of Mathematics and Statistics, Vol. 8, Issue 1 · 10 Dec 2011 · 7,717 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEfficient Classification of Cancer using Support Vector Machines and Modified Extreme Learning Machine based on Analysis of Variance FeaturesA. Bharathi, A.M. NatarajanProblem statement: The primary objective is to propose efficient cancer classification techniques which provide reliable and significant classification accuracy. To achieve this primary research goal is to find the smallest set of genes that can ensure high accuracy in classification using supervised machine learning algorithms. The significance of finding the minimum subset is three fold: (a) The computational burden and … …American Journal of Applied Sciences, Vol. 8, Issue 12 · 22 Oct 2011 · 7,441 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleCancer Classification using Support Vector Machines and Relevance Vector Machine based on Analysis of Variance FeaturesA. Bharathi, A.M. NatarajanProblem statement: The objective of this study is, to find the smallest set of genes that can ensure highly accurate classification of cancer from micro array data by using supervised machine learning algorithms. The significance of finding the minimum subset is three fold: The computational burden and noise arising from irrelevant genes are much reduced; the cost for cancer testing … …Journal of Computer Science, Vol. 7, Issue 9 · 25 Jul 2011 · 7,593 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleMeasuring Drivers’ Effect in a Cost Model by Means of Analysis of VarianceMaria Elena NenniIn this study the author goes through with the analysis of a cost model developed for Integrated Logistic Support (ILS) activities. By means of ANOVA the evaluation of impact and interaction among cost drivers is done. The predominant importance of organizational factors compared to technical ones is definitely demonstrated. Moreover the paper provides researcher and practitioners with useful information to … …American Journal of Applied Sciences, Vol. 10, Issue 12 · 24 Oct 2013 · 6,448 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMeasurement of Cooling Load-Based Occupant Behavior in Under-Actuated Zones: A Time-Variance ApproachYaddarabullah, Yusuf Maulana Akbar, Aedah Binti Abd Rahman, Amna SaadThis research is dedicated to the enhancement of Heating, Ventilation, and Air-Conditioning (HVAC) systems through an innovative investigation of occupant behavior within under-actuated zones. These zones are strategically positioned to elevate indoor air quality and comfort through the intelligent utilization of HVAC systems. However, accurately measuring the cooling loads within these zones, which are inherently influenced by the presence of … …American Journal of Applied Sciences, Vol. 20, Issue 1 · 11 Dec 2023 · 6,158 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCompare the Effects of two Educational Methods on the Health Principles Knowledge of Employees in Food PreparationFereshteh Farzianpour, Gholamreza Jahed Khaniki, Farjad Batebi, Masood YunesianProblem statement: Conducting educational programs to enhance the knowledge of food preparation and distribution commerce is important in achieving health and food safety. This study aimed to compare the effects of two educational methods (book let and trade school) on the health principles knowledge of employees in food preparation and supply centers. Approach: In this cross-sectional study, 420 employees who … …American Journal of Applied Sciences, Vol. 9, Issue 10 · 25 Aug 2012 · 7,914 accessesView PDFCite
Research ArticleOpen accessIn the keywordsFinding the Envelope and Efficient Frontier of Financial AssetsFarida Kachapova, Ilias KachapovProblem statement: One of the problems considered in financial mathematics is finding portfolios of given financial assets that minimize risk for targeted returns. The set of such portfolios is called the envelope of the assets. Traditionally this problem is solved as a calculus minimization problem involving partial derivatives and Lagrange multipliers. Approach: In this study we describe an invariant geometric … …Journal of Mathematics and Statistics, Vol. 8, Issue 3 · 16 Jul 2012 · 9,279 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDemotivating Factors for English Language Learning Among University StudentsReyhaneh Ghadirzadeh, Fariba Pourabolfathe Hashtroudi, Omid ShokriProblem statement: Demotivation is a relatively new issue in the field of second/foreign Language (L2) learning motivation. Recognizing and removing barriers can have a marked effect on motivation and attention to learning in general and ESL/EFL learning in particular. Demotivating factors are essential factors which negatively influence the learner’s attitudes and behaviors and hence lead to undesired learning outcomes. The … …Journal of Social Sciences, Vol. 8, Issue 2 · 21 Feb 2012 · 11,929 accessesView PDFCite
Research ArticleOpen accessIn the keywordsLand use Type Pattern and Woody Species Composition Near Human Disturbed Landscapes on Mount Makiling, Luzon IslandInocencio E. Buot, Katsuhiro OsumiProblem statement: A field study near human disturbed landscape on Mount Makiling, Luzon Island, Philippines was done on the eastern slopes of the legendary mountain to determine the land use patterns and woody species composition. Approach: Forty permanent plots of 10×10m in 3 belt transects spaced at 200m apart were established from the undisturbed forests to the agricultural farms. Classification … …American Journal of Environmental Sciences, Vol. 7, Issue 4 · 26 Aug 2011 · 8,033 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessment of Special Needs People Towards Environmental Awareness in the Hashemite Kingdom of JordanAyed Hanna Ziadat, Anf Hanna ZiadatProblem statement: This research examines knowledge and attitudes towards environmental awareness among special needs individuals in the Hashemite Kingdom of Jordan. The population census of (136) special needs individuals with different types of disabilities; physical impairments, visual impairments and hearing impairments from different locations of the Hashemite Kingdom of Jordan participated in the survey and completed the questionnaire in 2010. … …American Journal of Environmental Sciences, Vol. 6, Issue 5 · 31 Oct 2010 · 7,337 accessesView PDFCite