نتایج جستجو برای: statistical approaches including factor analysis and cluster analysis

تعداد نتایج: 17458431  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده ادبیات، زبانهای خارجی و تاریخ 1391

the aim of conducting this study was to investigate the foreign language learning needs of undergraduate economics students and business management students in faculties of social sciences of alzahra and azad naragh university. in the study, which was designed on the basis of a qualitative-quantitative basis using interviews and questionnaires, 146 female undergraduate business management as we...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

like any other learning activity, translation is a problem solving activity which involves executing parallel cognitive processes. the ability to think about these higher processes, plan, organize, monitor and evaluate the most influential executive cognitive processes is what flavell (1975) called “metacognition” which encompasses raising awareness of mental processes as well as using effectiv...

سلوکی, محمود, فاخری, براتعلی, مسلمی, حسن,

     The experiment was arranged based on a completely randomized block design, with two replicates in hydroponic conditions at The University of Zabol in 2013.In present study, 72 barley double haploid lines along with two parents were experimented. The measured traits including: fresh and dry weight of root and shoot and their ratio, length of root and shoot and their ratio, length of the lar...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the purpose of this study is to investigate the relationships between teachers’ immediacy behaviors and iranian students’ willingness to talk in english classes. analysis of the results from willingness to talk scale represents a relatively high level of willingness to talk in english classrooms among iranian language learners. the total mean score of students’ willingness to talk was 66.3 ou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

abstract: postmethod is a newly developed pedagogy which as an alternative to method rejects the notion of good or bad methods and the concept of best method that can be generalized and appropriate for all contexts. instead, it treats each context as unique and one of a kind which cant be compared with other cases. this study is a postmethod-oriented one which investigates whether and how far t...

2012
Yujie Zheng

Data mining is a new technology, developing with database and artificial intelligence. It is a processing procedure of extracting credible, novel, effective and understandable patterns from database. Cluster analysis is an important data mining technique used to find data segmentation and pattern information. By clustering the data, people can obtain the data distribution, observe the character...

2011
Pedro M. Valero-Mora Rubén D. Ledesma

This paper discusses the use of interactive graphics to teach multivariate data analysis to Psychology students. Three techniques are explored through separate activities: parallel coordinates/boxplots; principal components/exploratory factor analysis; and cluster analysis. With interactive graphics, students may perform important parts of the analysis ―by hand,‖ using techniques such as pointi...

Multivariate statistical techniques such as cluster analysis, multidimensional scaling and principal component analysis were applied to evaluate the temporal and spatial variations in water quality data set generated for two years (2008-2010) from six monitoring stations of Veli-Akkulam Lake and compared with a regional reference lake Vellayani of south India. Seasonal variations of 14 differen...

Journal: :علوم باغبانی ایران 0
محمدرضا فتاحی مقدم عزیز ابراهیمی ذبیح اله زمانی

walnut is an important nut crop worldwide. iran is one of the walnut centers of diversity and cultivation. morphological traits and rapd primers were applied to determine genetic diversity among 31 iranian and four foreign walnut genotypes. from 14 rapd primers, 180 bands were amplified among which 174 were polymorphic. the lowest and highest similarity coefficients were 0.37 and 0.89 respectiv...

Journal: :Electronic Commerce Research and Applications 2002
Sung-Eui Cho Kwangtae Park

In this study, we newly classify services and service products in EC into four categories: Mass Services, Interactive Services, Supporting Services, and Professional Services. Five selected variables reflecting the characteristics of the services, and two factorized dimensions, (1) proportion of on-line services, and (2) need of on-line interaction, are utilized for the classification. In addit...

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