Results 31 to 40 of about 580,777 (188)
A Stochastic Volatility Model With Realized Measures for Option Pricing [PDF]
Based on the fact that realized measures of volatility are affected by measurement errors, we introduce a new family of discrete-time stochastic volatility models having two measurement equations relating both observed returns and realized measures to ...
Bormetti, G. +3 more
core +5 more sources
New Dimensions of Tolerance: A Case for a Broader, Categorical Approach [PDF]
Most social scientific research on tolerance rests upon two assumptions: 1) that tolerance is mainly concerned with the extension of political rights, and 2) that the concept is best understood as a unidimensional continuum of attitudes that are more or ...
Darin M. Mather, Eric Tranby
doaj +1 more source
Latent tree models are graphical models defined on trees, in which only a subset of variables is observed. They were first discussed by Judea Pearl as tree-decomposable distributions to generalise star-decomposable distributions such as the latent class ...
Zwiernik, Piotr
core +1 more source
Fraction Errors in a Digital Mathematics Environment: Latent Class and Transition Analysis
Student struggles with fractions are well documented, and due to fractions’ importance to later mathematics achievement, identification of the errors students make when solving fraction problems is an area of interest for both researchers and teachers ...
Sarah Marina Karamarkovich +1 more
doaj +1 more source
: The objective of the present study was to evaluate the association between social position and anthropometric status in women and men Brazilian adult.
Sheila Maria Alvim Matos +9 more
doaj +1 more source
Predictors of subgroups based on maximum drinks per occasion over six years for 833 adolescents and young adults in COGA. [PDF]
ObjectiveA person's pattern of heavier drinking often changes over time, especially during the early drinking years, and reflects complex relationships among a wide range of characteristics.
Agrawal, Arpana +10 more
core +1 more source
Unprecedented global efforts in vaccine development have resulted in effective vaccines for COVID-19. The pandemic response in the US has been highly politicized, resulting in significant opposition to public health efforts, including vaccines.
Kristin E. Schneider +3 more
doaj +1 more source
We discuss Bayesian analysis of multivariate time series with dynamic factor models that exploit time-adaptive sparsity in model parametrizations via the latent threshold approach.
Nakajima, Jouchi, West, Mike
core +1 more source
A data‐driven examination of apathy and depressive symptoms in dementia with independent replication
Apathy is one of the most common neuropsychiatric symptoms (NPS) and is associated with poor clinical outcomes. Research that helps define the apathy phenotype is urgently needed, particularly for clinical and biomarker studies.
Miguel Vasconcelos Da Silva +6 more
doaj +1 more source
Investigating Trajectories of Social Recovery in Individuals with First Episode Psychosis:A Latent Class Growth Analysis [PDF]
Background Social disability is a hallmark of severe mental illness yet individual differences and factors predicting outcome are largely unknown. Aim To explore trajectories and predictors of social recovery following a first episode of psychosis (FEP).
Amos, Tim +12 more
core +2 more sources

