نتایج جستجو برای: pls
تعداد نتایج: 12016 فیلتر نتایج به سال:
This study evaluates the effects of KM infrastructure and KM processes on the organization’s KM effectiveness. The moderating effect of interpersonal trust on the relationship between KM processes and KM effectiveness is also explored. KM infrastructure has three sub-constructs: KM technology, KM structure, and KM culture; whereas the four sub-constructs forming KM processes are: knowledge acqu...
In recent years, with the development of e-learning, it is feasible for enterprises to adopt information systems to enhance organizations’ human capital and knowledge renewal for competition. e-Learning systems designed for new entrants training aim to facilitate new entrants’ job adaptation; however, the empirical link between their system use and job adaptation lacks. In addition, the influen...
Partial least squares (PLS) is one of the most commonly used supervised modelling approaches for analysing multivariate metabolomics data. PLS is typically employed as either a regression model (PLS-R) or a classification model (PLS-DA). However, in metabolomics studies it is common to investigate multiple, potentially interacting, factors simultaneously following a specific experimental design...
In this paper, we propose a churn management model based on a partial least square (PLS) optimization method that explicitly considers the management costs of controllable marketing variables for a successful churn management program. A PLS prediction model is first calibrated to estimate the churn probabilities of customers. Then this PLS prediction model is transformed into a control model af...
Background Glia activation is thought to contribute to neuronal damage in several neurodegenerative diseases based on preclinical and human post-mortem studies, but its role in primary lateral sclerosis (PLS) is unknown. Objectives To localize and measure glia activation in people with PLS compared to healthy controls (HC). Methods Ten participants with PLS and ten age-matched HCs underwent...
Near infrared (NIR) spectroscopy was employed for simultaneous determination of methanol and ethanol contents in gasoline. Spectra were collected in the range from 714 to 2500 nm and were used to construct quantitative models based on partial least squares (PLS) regression. Samples were prepared in the laboratory and the PLS regression models were developed using the spectral range from 1105 to...
Accurate and effective anomaly detection and diagnosis of modern engineering systems by monitoring processes ensure reliability and safety of a product while maintaining desired quality. In this paper, an innovative method based on Kullback-Leibler divergence for detecting incipient anomalies in highly correlated multivariate data is presented. We use a partial least square (PLS) method as a mo...
Epidemic Canadian methicillin-resistant Staphylococcus aureus strain 1 (CMRSA-1) comprises related subtypes that differ in phenotype and prevalence, with subtypes 1A, 1B, and 1D representing 1%, 71%, and 18%, respectively, of total CMRSA-1 isolates. The predominant CMRSA-1B subtype possesses a variant of the staphylococcal cassette chromosome mec, harboring pls, which encodes plasmin-sensitive ...
The aim of the present study was to investigate the gastroprotective activity of a sulfated-polysaccharide (PLS) fraction extracted from the marine red algae Gracilaria caudata and the mechanism underlying the gastroprotective activity. Male Swiss mice were treated with PLS (3, 10, 30 and 90 mg·kg(-1), p.o.), and after 30 min, they were administered 50% ethanol (0.5 mL/25 g(-1), p.o.). One hour...
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