Results 51 to 60 of about 6,759,569 (267)

SMEs probability of default: the case of the hospitality sector

open access: yesTourism & Management Studies, 2015
In this paper we analyze a set of financial ratios from hospitality sector SMEs in order to ascertain which factors determine a greater probability of default.
Luís Pacheco
doaj  

Safety ramifications of a change in pedestrian crosswalk law: A case study of Oregon, USA

open access: yesInternational Journal of Transportation Science and Technology, 2019
Pedestrians are some of the most vulnerable road users as they are not protected by safety devices, and must also share the road with vehicles traveling at dangerous speeds, particularly during road crossings.
Yue Ke, Konstantina Gkritza
doaj   +1 more source

Learning Work Function via Implicit Reasoning on Electrostatic Potential Landscapes

open access: yesAdvanced Science, EarlyView.
StructPot‐CLR establishes a cross‐modal contrastive learning framework that aligns the crystal structures of 2D materials with plane‐averaged electrostatic potential landscapes for physically informed work‐function prediction. The model achieves an MAE of 0.265 eV and an R2 of 0.902 on the held‐out test set while accurately preserving key morphological
Haoyu Wan, Yue Wu, Tianhao Su, Deng Pan
wiley   +1 more source

MethyAnno: An Interpretable Automated Annotation Method Leveraging Multi‐Scale Information and Metric Learning Framework for scDNAm Data

open access: yesAdvanced Science, EarlyView.
MethyAnno enables robust and interpretable annotation of single‐cell DNA methylation data by integrating multi‐scale epigenetic information, bidirectional cross‐attention, and prototype‐based metric learning. The framework resolves rare and novel cell types across datasets while revealing cell‐type‐specific epigenetic signatures associated with disease
Yuhang Jia   +4 more
wiley   +1 more source

A warning on separation in multinomial logistic models

open access: yesResearch & Politics, 2018
Oppenheim et al. (2015) provides the first empirical analysis of insurgent defection during armed rebellion, estimating a series of multinomial logit models of continued rebel participation using a survey of ex-combatants in Colombia. Unfortunately, many
Scott J. Cook   +2 more
doaj   +1 more source

Estimating nonparametric mixed logit models via EM algorithm [PDF]

open access: yes
The aim of this paper is to describe a Stata routine for the nonparametric estimation of mixed logit models using a Expectation-Maximisation algorithm. We also compare the performance of our estimator with respect to more typical parametric mixed logit ...
Daniele Pacifico
core  

Sulfur–Oxygen Competitive Coordination Allosteric Hydrogel for Triboelectric Nanogenerator‐Based Intelligent Tactile Recognition

open access: yesAdvanced Science, EarlyView.
A dynamic Ag+─S coordinated hydrogel with a sulfur–oxygen competitive coordination allosteric switch enables reversible tuning between soft–adhesive and stiff–robust states. Integrated with a lightweight 1DCNN classifier, the smart glove system achieves 99.70% laboratory and 93.35% real‐wear material recognition accuracy, offering a paradigm for self ...
Shixia Lan   +4 more
wiley   +1 more source

Hábitos y preferencias por recreación y deporte en Medellín: Una aplicación de modelos logísticos

open access: yesLecturas de Economía, 2011
This paper makes a theoretical review of the factors influencing sports and recreational practices. It also provides information allowing one to understand why Medellin’s citizens do or do not participate into such practices, which physical activities ...
Germán Darío Valencia Agudelo   +2 more
doaj  

Estimating Mixed Logit Recreation Demand Models With Large Choice Sets [PDF]

open access: yes
Discrete choice models are widely used in studies of recreation demand. They have proven valuable when modeling situations where decision makers face large choice sets and site substitution is important.
Domanski, Adam
core  

A Generalized Neural Logit Model for Airport and Access Mode Choice in Germany [PDF]

open access: yes, 2007
The purpose of this paper is to present a new kind of discrete choice model called "Generalized Neural Logit Model" applied exemplarily to the case of airport and access mode choice.
Gelhausen, Marc   +1 more
core  

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