نتایج جستجو برای: statistical factor analysis
تعداد نتایج: 3655206 فیلتر نتایج به سال:
Despite a number of studies in the field of job satisfaction, there are still some problematic areas left. A question, which still lacks explanation, is whether specific sample may be evaluated using instruments which were primarily developed based on a different type of a sample than the one under research. With regard to the problematic area, we generated the purpose for our research. The pur...
the present research is concerned with the determination of ductility, over-strength and response modification factors of coupled steel shear wall frames. three structural models with various numbers of stories, bay width and coupling beam height were analyzed using static pushover and incremental nonlinear dynamic analyses. the ductility, over-strength and response modification factors for the...
Variable dimension models are problems where the parameter space is not well defined, therefore the sample space is a infinite collection of unrelated subspaces. If the considered statistical model is not defined in concise way, then the dimensionality of the parameter space can also be part of the model uncertainty. These problems have been studied in the context of Bayesian model comparison a...
soil salinity is a limiting factor for plant growth and a serious cause of land degradation. field sampling and statistical analysis for estimating soil salinity is expensive and time consuming. estimating soil salinity by spatial statistical models and geographic information system (gis) is recommended, because it saves labor and time. this study was conducted to evaluate the performance of sp...
in this study, the concentrations of heavy metals (ca, zn, cu, fe, mn, ni) in thesediment of shavoor river in khuzestan province in iran has been investigated. after the library studies and field studies, six samples of water and sediment were taken from the river in order to evaluate heavy metal pollution in sediments. to determine the geochemical phases of metals in sediment samples the 5-ste...
this study examined the relationship between tourists' motivations and satisfaction in tehran ski resorts. the study was a descriptive study and of correlation kind and conducted as a field study. the statistical population consisted of all tourists of tehran ski resorts (dizin, shemshak, tochal and abali). according to the estimates of the managers of these ski resorts, the statistical po...
measurements of pb, cu, zn, as, ni, hg, and fe heavy metals and major elements and components such as ca, hco3, so4, na, k, mg and cl in soluble rain fractions were performed on rainwater collected at arak plain during the rainy seasons of 2012. concentrations of the heavy metals in the soluble fractions decreased for fe, pb, zn, ni, cu, as and hg, respectively and the major elements and compon...
Page 25 Abstract: This review paper discusses about part of multivariate data clustering techniques and their subparts. Factor analysis is a type of multivariate statistical approach commonly used in psychology, education, and more recently in the health-related professions. Factor analysis is an important tool that can be used in the development, refinement, and evaluation of tests, scales. Th...
Factor and suffix oracles have been introduced in [1] in order to provide an economic and efficient solution for storing all the factors and suffixes respectively of a given text. Whereas good estimations exist for the size of the factor/suffix oracle in the worst case, no average-case analysis has been done until now. In this paper, we give an estimation of the average size for the factor/suff...
The propose of this study is to investigate the factor structures of the W-DEQ, originally developed on UK and Swedish women, were confirmed in Turkish samples, and to obtain a new modified factor structure appropriate to Turkish culture. Statistical analyses of the data obtained were performed using SPSS for Windows version 13.0 and the SAS statistical software Version 9.1. Both confirmatory a...
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