Search results
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Title
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A partial posterior p value test for multilevel mediation
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Author
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Cox, Kyle, Kelcey, Benjamin
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Date Created
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2023
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Subjects--Topical
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Statistics, Mathematics
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Description
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A variety of inferential tests are available for single and multilevel mediation but most come with notable limitations that balance tradeoffs between power and Type I error. We extend the partial posterior p value method (p3 method) to test multi...
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Title
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Best probability density function for random sampled data
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Author
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Jacobs, Donald J.
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Date Created
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2009
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Subjects--Topical
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Statistics, Probabilities
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Description
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The maximum entropy method is a theoretically sound approach to construct an analytical form for the probability density function (pdf) given a sample of random events. In practice, numerical methods employed to determine the appropriate Lagrange ...
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Title
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Beyond the PCA : a comprehensive review of dimension reduction techniques
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Author
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Kenjale, Tanmay
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Date Created
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2022
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Subjects--Topical
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Statistics, Dimension reduction (Statistics), Regression analysis
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Description
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Regression analysis is a key tool in modeling the relationship between predictor variables and the conditional mean of the response variable. However, as the number of predictors increases, existing estimation methods become challenging. Dimension...
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Title
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Changes in Lysozyme flexibility upon mutation are frequent, large and long-ranged
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Author
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Jacobs, Donald J., Verma, Deeptak, Livesay, Dennis R.
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Date Created
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2012
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Subjects--Topical
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Bioinformatics, Statistics
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Description
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We investigate changes in human c-type lysozyme flexibility upon mutation via a Distance Constraint Model, which gives a statistical mechanical treatment of network rigidity. Specifically, two dynamical metrics are tracked. Changes in flexibility ...
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Title
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Heterogeneous crowd-sourced data analytics
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Author
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Thill, Jean-Claude
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Date Created
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2017
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Subjects--Topical
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Data mining, Statistics
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Description
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Advances in computing, communication, storage, and sensing technologies have reshaped the lives of people by changing the way they live, work, interact with their environments, and even socialize. Modern information systems collect valuable inform...
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Title
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High throughput nonparametric probability density estimation
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Author
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Jacobs, Donald J., Farmer, Jenny
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Date Created
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2018
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Subjects--Topical
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Statistics, Probabilities
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Description
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In high throughput applications, such as those found in bioinformatics and finance, it is important to determine accurate probability distribution functions despite only minimal information about data characteristics, and without using human subje...
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Title
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In search of a predictive model for aflatoxin insurance claims based on temperature data
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Author
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German-Jimenez, Fausto, Terejanu, Gabriel
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Date Created
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2022
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Subjects--Topical
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Computer science, Machine learning, Statistics, Agriculture
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Description
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Aflatoxin is a carcinogenic product of mold that affects thousands of corn-producing farms in the United States every year, so being able to predict when a county will have compromising aflatoxin levels could be beneficial for insurance companies....
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Title
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MATLAB tool for probability density assessment and nonparametric estimation
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Author
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Jacobs, Donald J., Farmer, Jenny
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Date Created
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2022
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Subjects--Topical
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Statistics, Entropy
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Description
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A MATLAB function is presented for nonparametric probability density estimation, based on an iterative method that employs the principle of maximum entropy and characteristic properties of single order statistics. Featuring a robust and adaptive d...
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Title
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Non-linear associations between the urban built environment and commuting modal split : a random forest approach and SHAP evaluation
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Author
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Thill, Jean-Claude, Hatami, Faizeh, Rahman, Md. Mokhlesur, Nikparvar, Behnam
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Date Created
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2023
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Subjects--Topical
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Commuting, Statistics
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Description
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The study of commuting mode choice is crucial since driving, with all its associated environmental and economic consequences, is the United States' most popular mode of transportation due to urban sprawl, priority to road construction and America'...
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Title
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Statistical measures to quantify similarity between molecular dynamics simulation trajectories
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Author
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Jacobs, Donald J., Farmer, Jenny, Kanwal, Fareeha, Nikulsin, Nikita
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Date Created
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2017
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Subjects--Topical
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Molecular dynamics, Statistics
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Description
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Molecular dynamics simulation is commonly employed to explore protein dynamics. Despite the disparate timescales between functional mechanisms and molecular dynamics (MD) trajectories, functional differences are often inferred from differences in ...
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Title
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Universal sample size invariant measures for uncertainty quantification in density estimation
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Author
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Jacobs, Donald J., Farmer, Jenny, Merino, Zach, Merino, Zach
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Date Created
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2019
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Subjects--Topical
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Statistics, Entropy
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Description
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Previously, we developed a high throughput non-parametric maximum entropy method (PLOS ONE, 13(5): e0196937, 2018) that employs a log-likelihood scoring function to characterize uncertainty in trial probability density estimates through a scaled q...
