نتایج جستجو برای: stepwise regression analysis
تعداد نتایج: 2987474 فیلتر نتایج به سال:
Malaria, a life-threatening infectious disease, spreads rapidly via parasites. Malaria prevention is more effective and efficient than treatment. However, the existing surveillance systems used to prevent malaria are inadequate, especially in areas with limited or no access to medical resources. In this paper, in order to monitor the spreading of malaria, we develop an intelligent surveillance ...
This study examines the vowel-intrinsic fundamental frequency (IF0) for tense and lax vowels in German: These show a similar F0 but differ in their articulatory vowel height. This is contrary to commonly accepted biomechanical theories explaining IF0 by a physiological linkage between the upper vocal tract and the larynx. To examine this phenomenon, acoustic, electroglottographic and articulato...
Currently little is known about the ways consumers perceive the issues and threats facing the agricultural sector. Understanding of the sector among the general community is important for its continued economic, social and environmental sustainability. Therefore we conducted an on-line survey among 1026 respondents drawn from each State and Territory in Australia. Initial examination of the res...
Brand equity is considered as the most important aspect of branding, which is a set of brands’ assets and liabilities, its symbol or name that subtracts from or adds the value provided by a product or service to a firm and customers. The current research endeavor was to identify the interrelationship of customer-based brand equity dimensions (brand awareness, brand loyalty, brand image, and ser...
The occurrence of significant second-order interactions for group characteristics was examined using real data in a randomized controlled trial (RCT). The interactions exist in all RCTs; they could be easily overlooked when using the simple randomization or stratification methods, but could become more obvious when minimization methods are used. Using real data from an RCT, the minimization met...
This paper describes a new method for creating polynomial regression models. The new method is compared with stepwise regression and symbolic regression using three example problems. The first example is a polynomial equation. The two examples that follow are real-world problems, approximating the Colebrook–White equation and rainfall-runoff modelling. The three example problems illustrate the ...
Stepwise multiple regression analyses are used t o explore the statistical (linear regression) relationships between satellite-observed earth-atmosphere emission spectra and meteorological parameters. The stepwise regression technique permits screening of a large number of potentially useful spectral observations (predictors) to isolate those few tha t contribute most to the explanation of the ...
This article reports the relationships between a large number of child and family related factors and children’s functional outcomes, according to parental report, in the domains of spoken language communication, social skills and participation, academic achievement, and independence and identity, through a series of step-wise regression analyses. Parents of 247 children who had received cochle...
Performance monitoring enables the rapid detection of mismatches between goals or intentions and actions, as well as subsequent behavioral adjustment by means of enhanced attention control. These processes are not encapsulated, but they are readily influenced by affective or motivational variables, including negative affect. Here we tested the prediction that worry, the cognitive component of a...
The concentration of the carbon-13 isotope (leaf δ13C) in leaves is negatively correlated with the mean annual precipitation (MAP) at large geographical scales. In this paper, we explain the spatial pattern of leaf δ13C variation for deciduous oriental oak (Quercus variabilis Bl.) across temperate and subtropical biomes and its sensitivity to climate factors such as MAP. There was a 6‰ variatio...
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