Results 31 to 40 of about 23,995,861 (305)

Space-time Analysis of the Longitudinal Variation in Wood Specific Gravity of Teak and Its Effect on Tree Growth and Development

open access: yesBioResources, 2023
The space-time structure of a teak wood specific gravity (SG) dataset was analyzed using a mixed-effects model. Spatial correlation increased in space, a phenomenon attributable to the maturation of apical meristems, while the temporal correlation of ...
Jerry Oppong Adutwum   +3 more
doaj   +2 more sources

Comparison of linear mixed effects model and generalized model of the tree height-diameter relationship

open access: yesJournal of Forest Science, 2015
Models of height curves generated using a linear mixed effects model and generalized model were compared. Both tested models were also compared with local models of height curves, which were fitted using a nonlinear regression.
Z. Adamec
doaj   +1 more source

Mixed-effects model results.

open access: yes, 2016
In (a), the models study the effect of session length on the quality of the first comment C1 in a session; i.e., data only contains the first session comments.
Farshad Kooti (3080265)   +4 more
core   +1 more source

Smooth-car mixed models for spatial count data [PDF]

open access: yes, 2008
Penalized splines (P-splines) and individual random effects are used for the analysis of spatial count data. P-splines are represented as mixed models to give a unified approach to the model estimation procedure.
Durbán, María, Lee, Dae-Jin
core   +1 more source

Mixed-effects model performance with different variance functions.

open access: yes, 2019
Mixed-effects model performance with different variance functions.
Fengyan Zhou (1701517)   +5 more
core   +1 more source

A Bayesian semiparametric latent variable model for mixed responses [PDF]

open access: yes, 2006
In this article we introduce a latent variable model (LVM) for mixed ordinal and continuous responses, where covariate effects on the continuous latent variables are modelled through a flexible semiparametric predictor. We extend existing LVM with simple
Raach, Alexander, Fahrmeir, Ludwig
core   +1 more source

Trait-Based Modeling of Surface Cooling Dynamics in Olive Fruit Using Thermal Imaging and Mixed-Effects Analysis

open access: yesAgriculture
Effective postharvest cooling of olive fruit is increasingly critical under rising harvest temperatures driven by climate change. This study models passive cooling dynamics using a trait-based, mixed-effects statistical framework.
Eddy Plasquy   +3 more
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

Research on the secondary branch sizes within crown and primary branch for planted Korean pine in Northeast China

open access: yesFrontiers in Plant Science
Branch structure is the fundamental component of an individual tree crown and has an important effect on tree growth and wood quality. A number of studies have focused on the primary branch attributes, but only a few research has been conducted on ...
Jiateng Liu   +4 more
doaj   +1 more source

Trust Propagation with Mixed-Effects Models

open access: yesProceedings of the International AAAI Conference on Web and Social Media, 2021
Web-based social networks typically use public trust systems to facilitate interactions between strangers. These systems can be corrupted by misleading information spread under the cover of anonymity, or exhibit a strong bias towards positive feedback, originating from the fear of reciprocity.
Jan Overgoor   +2 more
openaire   +2 more sources

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