Results 71 to 80 of about 580,777 (188)
The Matrix Ridge Approximation: Algorithms and Applications [PDF]
, 2013 We are concerned with an approximation problem for a symmetric positive semidefinite matrix due to motivation from a class of nonlinear machine learning methods. We discuss an approximation approach that we call {matrix ridge approximation}.
Zhang, Zhihua
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BMC Pulmonary MedicineBackground Acute respiratory distress syndrome (ARDS) is a common condition requiring intensive care, with limited effective treatments due to its clinical and biological heterogeneity.
Fabiana Madotto +13 more
doaj +1 more source
Journal of Research in Medical SciencesBackground: According to the report of the World Health Organization, mental disorders are one of the 10 most important causes of disability in the world.
Forugh Aleebrahim +4 more
doaj +1 more source
Do opening hours and unobserved heterogeneity affect economies of scale and scope in postal outlets? [PDF]
The purpose of this study is to analyze the cost structure of Swiss Post’s postal outlets. In particular, the idea is to assess economies of scale and scope in post offices and franchised postal agencies.
Martin Koller +2 more
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Latent Class Modeling and Typological Analysis [PDF]
, 1991 Series: Discussion Papers of the Institute for Economic Geography and ...
Ernste, Huib, Fischer, Manfred M.
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BMC MedicineBackground Accumulating evidence links mood instability to an increased risk of adverse outcomes, yet its relationship with neurodegenerative diseases remains underexplored.
Junru Wang +10 more
doaj +1 more source
Modelling Charitable Donations: A Latent Class Panel Approach [PDF]
: We apply a latent class tobit framework to the analysis of charitable donations at the household level where the latent class aspect of the model splits households into two groups, which we subsequently interpret as "low" donators and "high" donators ...
Karl Taylor, Mark N Harris, sarah Brown
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Validity of Mehrviru® and Sacace® in molecular detection of HPV: a latent class analysis
BMC Infectious DiseasesBackground Valid diagnostic tests for human papillomavirus (HPV) detection are crucial to identify individuals at high risk of cervical cancer. We assessed and compared the validity of Mehrviru HPV genotyping and Sacace (HPV Genotypes 14 Real-TM Quant ...
Hadi Nowrozi +4 more
doaj +1 more source
Attribute processing in environmental choice analysis: implications for willingness to pay [PDF]
Data from a discrete choice experiment is used to investigate the implications of failing to account for attribute processing strategies (APSs). The research was designed to elicit the economic benefits associated with landscape restoration activities ...
Aravena, Claudia +3 more
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The estimation of Human Capital in structural models with flexible specification [PDF]
The present paper focuses on statistical models for estimating Human Capital (HC) at disaggregated level (worker, household, graduates). The more recent literature on HC as a latent variable states that HC can be reasonably considered a broader multi ...
Giuseppe Folloni +1 more
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