نتایج جستجو برای: coefficient bounds and coefficient estimates

تعداد نتایج: 16862187  

Journal: :Proceedings of the Japan Academy, Series A, Mathematical Sciences 2000

2010
Hung-Mo Lin Hae-Young Kim John M. Williamson

We present a generalized estimating equations approach for estimating the concordance correlation coefficient and the kappa coefficient from sample survey data. The estimates and their accompanying standard error need to correctly account for the sampling design. Weighted measures of the concordance correlation coefficient and the kappa coefficient, along with the variance of these measures acc...

Journal: :تحقیقات مهندسی کشاورزی 0
هادی رمضانی اعتدالی دانشجوی دکتری عبدالمجید لیاقت دانشیار گروه آموزشی مهندسی آبیاری و آبادانی دانشکده مهندسی و فناوری کشاورزی دانشگاه تهران فریبرز عباسی دانشیار مؤسسه تحقیقات فنی و مهندسی کشاورزی کرج

the manning roughness coefficient is an important parameter in the design and evaluation of furrow irrigation. despite its importance, estimation of this parameter for surface irrigation is very difficult, particularly in furrow irrigation. in this study, an evalue model was used to estimate the manning roughness coefficient in furrow irrigation. the model was based on volume balance and develo...

2010
Degui Li Jia Chen Jiti Gao

This paper is concerned with developing a nonparametric time–varying coefficient model with fixed effects to characterize nonstationarity and trending phenomenon in nonlinear panel data analysis. We develop two methods to estimate the trend function and the coefficient function without taking the first difference to eliminate the fixed effects. The first one eliminates the fixed effects by taki...

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