Results 11 to 20 of about 13,408 (180)
On evaluating the efficiency of the delta-lognormal mean estimator and predictor
MethodsX, 2022 A variable taking positive values from a lognormal distribution and null values with a given probability is distributed according to the so-called delta-lognormal distribution.
Philippe Aubry
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Symmetry, 2023 A delta-lognormal distribution consists of zero and positive values. The positive values follow a lognormal distribution, which is an asymmetric distribution. It is well known that the logarithm of these values follows a normal distribution, which is a symmetric distribution.
Warisa Thangjai, Sa-Aat Niwitpong
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Symmetry, 2023 The log-normal distribution (skewed distribution or asymmetry distribution) is used to describe random variables comprising positive real values. It is well known that the logarithm values of these are normally distributed (symmetry distribution). Positively right-skewed data applicable to the log-normal distribution are frequently observed in the ...
Warisa Thangjai +3 more
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Symmetry, 2023 The coefficient of quartile variation is a valuable measure used to assess data dispersion when it deviates from a normal distribution or displays skewness. In this study, we focus specifically on the delta-lognormal distribution. The lognormal distribution is characterized by its asymmetrical nature and comprises exclusively positive values.
Noppadon Yosboonruang, Sa-Aat Niwitpong
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A new subgrid-scale representation of hydrometeor fields using a multivariate PDF [PDF]
Geoscientific Model Development, 2016 The subgrid-scale representation of hydrometeor fields is important for calculating microphysical process rates. In order to represent subgrid-scale variability, the Cloud Layers Unified By Binormals (CLUBB) parameterization uses a multivariate ...
B. M. Griffin, V. E. Larson
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Model Uncertainty and Selection of Risk Models for Left-Truncated and Right-Censored Loss Data
Risks, 2023 Insurance loss data are usually in the form of left-truncation and right-censoring due to deductibles and policy limits, respectively. This paper investigates the model uncertainty and selection procedure when various parametric models are constructed to
Qian Zhao, Sahadeb Upretee, Daoping Yu
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Essential and toxic elements intake from botanical extracts: a probabilistic risk-benefit evaluation within the Italian dietary context. [PDF]
J Sci Food AgricAbstract BACKGROUND Botanical extracts are widely consumed for their claimed health benefits, yet their safety profile with respect to chronic consumption remains poorly characterized. Understanding the potential health risks associated with their inorganic content is a crucial issue for ensuring safe use, along with a characterization of the ...
Lanza GT +5 more
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PLOS ONE, 2021 Natural disasters such as flooding and landslides are important unexpected events during the rainy season in Thailand, and how to direct action to avoid their impacts is the motivation behind this study. The differences between the means of natural rainfall datasets in different areas can be estimated using simultaneous confidence intervals (SCIs) for ...
Patcharee Maneerat +2 more
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Statistical study of spatio-temporal distribution of precursor solar flares associated with major flares [PDF]
, 2016 The aim of the present investigation is to study the spatio-temporal distribution of precursor flares during the 24-hour interval preceding M- and X-class major flares and the evolution of follower flares.
Ballai, I., Baranyi, T., Gyenge, N.
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PeerJ, 2021 The daily average natural rainfall amounts in the five regions of Thailand can be estimated using the confidence intervals for the common mean of several delta-lognormal distributions based on the fiducial generalized confidence interval (FGCI), large sample (LS), method of variance estimates recovery (MOVER), parametric bootstrap (PB), and highest ...
Maneerat, Patcharee, Niwitpong, Sa-Aat
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