نتایج جستجو برای: logistic profile

تعداد نتایج: 322731  

Journal: :Mathematical Models and Methods in Applied Sciences 2021

This paper is concerned with a spatially two-dimensional version of chemotaxis system logistic cell proliferation and death, for singular tactic response standard logarithmic type, interaction surrounding incompressible fluid through transport buoyancy. Systems this form are significant relevance to the understanding chemotaxis-fluid interaction, but rigorous knowledge their qualitative propert...

Journal: :iranian journal of fuzzy systems 2011
saeedeh pourahmad s. mohammad taghi ayatollahi s. mahmoud taheri

logistic regression models are frequently used in clinicalresearch and particularly for modeling disease status and patientsurvival. in practice, clinical studies have several limitationsfor instance, in the study of rare diseases or due ethical considerations, we can only have small sample sizes. in addition, the lack of suitable andadvanced measuring instruments lead to non-precise observatio...

ژورنال: علوم آب و خاک 2016
سوری, مهشید, شیرزادی, عطااله, عرفانیان, مهدی, فرج اللهی, هانا,

The aim of this study is to prepare the groundwater spring potential map using Weight of Evidence, logistic regression, and frequency ratio methods and comparing their efficiency in Chehlgazi watershed, province of Kurdistan. At first, 17 effective factors in springs occurrence including geology, distance to fault, fault density, elevation, relative permeability of lithological units, slope ste...

Journal: :Nihon Ika Daigaku Igakkai Zasshi 2014

Journal: :Scientific Journal of Applied Social and Clinical Science 2023

Journal: :Economics and Environmental Management 2019

1998
George W. Taylor Mark P. Becker

The common practice of collapsing inherently continuous or ordinal variables into two categories causes information loss that may potentially weaken power to detect effects of explanatory variables and result in Type II errors in statistical inference. The purpose of this investigation was to illustrate, using a substantive example, the potential increase in power gained from an ordinal instead...

Journal: :Circulation 2008

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