نتایج جستجو برای: مدل pls

تعداد نتایج: 131116  

2008
Miguel I. Aguirre-Urreta George M. Marakas

Partial Least Squares (PLS) has become an increasingly popular approach to testing research models with multiple proposed causality links. Moreover, recent interest in the specification of constructs in a formative manner has accentuated this tendency, given the purported ability of PLS to handle this methodological development. While a review of the literature reveals an extensive use of PLS i...

Journal: :Annals of the New York Academy of Sciences 2012
Toshihiko Katafuchi Masataka Ifuku Shiro Mawatari Mami Noda Kiyotaka Miake Masaaki Sugiyama Takehiko Fujino

Neuroinflammation essentially involves an activation of glial cells as the cause/effect of neurodegenerative diseases such as Alzheimer's disease (AD). Plasmalogens (Pls) are glycerophospholipids constituting cellular membranes and play significant roles in membrane fluidity and cellular processes like vesicular fusion and signal transduction. Intraperitoneal (i.p.) injection of lipopolysacchar...

2017
Lianwei Wang Runlan Luo ZumingXiong Jinming Xu Dengyang Fang

Background Liposarcoma, which develops in adipose tissue, is one of the most common soft tissue sarcomas. It appears mostly in the lower limbs, particularly in the thigh and limb girdles, followed by the upper extremities, thoracoabdominal wall, and the internal trunk and retroperitoneum. Pleomorphic liposarcoma (PLS), a rare subtype of liposarcoma is considered a highgrade malignancy. Case p...

Journal: :Computational Statistics & Data Analysis 2007
Arthur Tenenhaus Alain Giron Emmanuel Viennet Michel Béra Gilbert Saporta Bernard Fertil

Kernel logistic PLS” (KL-PLS) is a new tool for supervised nonlinear dimensionality reduction and binary classification. The principles of KL-PLS are based on both PLS latent variables construction and learning with kernels. The KL-PLS algorithm can be seen as a supervised dimensionality reduction (complexity control step) followed by a classification based on logistic regression. The algorithm...

Journal: :Information Systems Research 2003
Mun Y. Yi Fred D. Davis

Computer skills are key to organizational performance, and past research indicates that behavior modeling is a highly effective form of computer skill training. The present research develops and tests a new theoretical model of the underlying observational learning processes by which modeling-based training interventions influence computer task performance. Observational learning processes are ...

Journal: :Human biology 2015
Sergi Valverde Ricard V Solé

Our interaction with complex computing machines is mediated by programming languages (PLs), which constitute one of the major innovations in the evolution of technology. PLs allow flexible, scalable, and fast use of hardware and are largely responsible for shaping the history of information technology since the rise of computers in the 1950s. The rapid growth and impact of computers were follow...

2012
Joerg Evermann Mary Tate

Partial Least Squares (PLS) is a statistical technique that is widely used in the Partial Least Squares (PLS) is a popular technique for estimating structural equation models with latent variables. It is frequently perceived as an alternative to covariance analysis of such models. While its proponents recognize the shortcomings of PLS for testing explanatory models in comparison to covariance m...

1997
June Liu Kwanggi Min Chonghun Han Kun Soo Chang

−The accurate and reliable on-line estimation of product quality is an essential task for successful process operation and control. This paper proposes a new estimation method that extends the conventional linear PLS (Partial Least Squares) regression method to a nonlinear framework in a more robust manner. To handle the nonlinearities, nonlinear PLS based on linear PLS and neural network has b...

2010
Mikko Rönkkö Jukka Ylitalo

Partial least squares path modeling (PLS) has seen increased use in the information systems research community. One of the stated key advantages of PLS is that it weights the indicator variables based on the strength of the relationship between the indicators and the underlying constructs, which presumably decreases the effect of measurement error in the analysis results. In this paper we argue...

Journal: :Carbohydrate polymers 2014
Jalles A Batista Eulina G N Dias Tarcisio V Brito Rafael S Prudêncio Renan O Silva Ronaldo A Ribeiro Marcellus Henrique L P Souza Regina C M de Paula Judith P A Feitosa Luciano S Chaves Márcia R S Melo Ana L P Freitas Jand-Venes R Medeiros André L R Barbosa

The sulfated polysaccharide (PLS) fraction of Agardhiella ramosissima was characterized by microanalysis, infrared spectroscopy, NMR and gas-liquid-chromatography-mass-spectrometry. The main constituent of PLS was the ι carrageenan. The monosaccharide composition of the PLS showed galactose, 3,6-anhydrogalactose and 6-O-methylgalactose. The PLS (30 mg kg(-1)) significantly reduced the paw oedem...

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