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Showing 1 to 8 of 8 for “"GAMLSS"”.
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General methods for analyzing bounded proportion data
… of zero and/or one. The models are inflated GAMLSS model and generalized Tobit GAMLSS model. The inflated GAMLSS model extends the flexibility of beta inflated models by allowing the distribution on (0,1) of the continuous component of the dependent variable to come from any explicit or …
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Deep Generalized Additive Regression Models for Location, Scale and Shape using TensorFlow
… Models für Locations, Scale and Shape (DGAMLSS) ist ein flexibles Framework, das von Rügamer et al. [1] entwickelt wurde und in das sowohl strukturierte additive als auch Deep Neural Network-Teile einbezogen sind der additive Prädiktor für die Verteilungsregression. In diesem Artikel …
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Explorando seleção de variáveis explicativas no contexto dos modelos aditivos generalizados de locação, escala e forma
… generalizados de locação, escala e forma (GAMLSS), a seleção de variáveis explicativas é feita usando métodos stepwise. Na atual proposta de seleção de variáveis nos GAMLSS tem-se disponível duas estratégias conhecidas como estratégia A e estratégia B, sendo que ambas selecionam variáveis …
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STATISTICAL METHODS FOR ANALYSIS OF HIGH-DIMENSIONAL NEUROIMAGING DATA
… Additive Models for Location, Scale and Shape (GAMLSS). This model is commonly used to estimate normative reference charts but requires large sample sizes to fit – such sample sizes can be challenging to obtain across hospitals or datasets due to privacy-protecting regulations. This extension, …
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Latent class modelling of respiratory outcomes in a South African birth cohort
… additive models for location, scale, and shape (GAMLSS) and interrupted time series (ITS) approaches were used to model the impact of LRTIs and other risk factors on longitudinal trajectories. Well-established distributions were chosen within the GAMLSS framework to minimise overfitting and …
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Analysis and forecasting of asset quality, risk management and financial stability for the Greek banking system
… that contribute to the NPLs formation. Two GAMLSS models are being tested, a linear GAMLSS model and a nonlinear semi-parametric GAMLSS model which includes smoothing functions that capture potential nonlinear relationships between the explanatory variables to model the parameters favorably. …
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Constructing growth reference curves for a cohort of South African children
… Additive Models for Location, Scale and Shape (GAMLSS) framework. Various distributions for the growth measurements were compared as well as various curve smoothing approaches for the longitudinal profiles, including cubic splines, fractional polynomials and Berkey-Reed First and Second Order …
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Mechanisms of observed spatial heterogeneity in rainfall variability over the winter rainfall zone of South Africa
… Additive Models for Location, Scale and Shape (GAMLSS) is developed to obtain a continuous, high-density 41-year gauge-based rainfall dataset for the WRZ and its immediate surroundings. The effectiveness of this procedure in detecting common errors and accurately in-filling missing values is …