Direct and interaction effects regression results
Direct and Indirect Effects in Dummy Variable Regression
... multiple regression models. The regression coefficients obtained using the proposed methods are easier to interprete and clearly understand than the use of the cummulatively coded ordinal dummy variables of ...
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Studying Both Direct and Indirect Effects in Predator-Prey Interaction
... Figure 3.14: The biomass for predators and prey from periodic solutions with varying k due to supercritical Hopf bifurcation. Parameters are: r 0 = 2, d = 0.2, a = 0.04, p = 0.4, q = 0.2, c = 0.3, m = 0.1. However, for ...
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The Role of Interaction‑Based Effects on Fatal Accidents Using Logic Regression
... Logic regression was used to investigate the important combinations among traffic accident ...Logic regression, a generalized regression model, was used to explore the interactions among different ...
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Application of Cubic Nonlinear Regression on the Effects of Rainfall on Rice Harvest Results
... This research has similarities with the theory conducted by the author, but there are differences, namely different research objects and the method used in the study is purposive sampling. Another research was also ...
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Quantile Treatment Effects in the Regression Discontinuity Design: Process Results and Gini Coefficient
... The RDD has attracted a more modest attention in theoretical econometrics. Hahn, Todd, and van der Klaauw (2001) describe this identi…cation strategy using the treatment e¤ect framework and formalize the assumptions ...
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New Results in ell_1 Penalized Regression
... penalty. We address a more recent development that generalizes previous methods by penaliz- ing a linear transformation of the coefficients of interest instead of penalizing just the coefficients themselves. We introduce ...
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Alignment and Results: Testing the Interaction Effects of Strategy, Structure, and. Environment from Miles and Snow *
... the regression but at the same time allow us to retain as many cases as ...similar results (this occurred whether the analysis used a network measure based on four nodes or seven ...
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Basic Results of the Multiregional Health Account for Germany - Validation of Direct Effects of the Health Economy
... We hence can conclude that the relatively large share of manufacturing in Hesse, Baden-Württemberg and Saxony-Anhalt resulting from the MRHA is reasonable due to the existence of large production sites in each of the ...
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Mixed-effects regression models
... The method is easier than using the approach of Clark (1973) Results can be generalized across subjects and items Mixed-effects models are robust to missing data (Baayen, 2008, p. 266) We can easily test if ...
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Confounding, interaction, and mediation in multivariable/multivariate regression modeling
... An example about the philosophy For example, imagine a study that tests the effects of a treatment of an outcome measure. The treatment variable is composed of two groups, e.g., treatment and control. The ...
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Direct Interaction Between Gold Nanorods and Glucose
... Results and Discussion Figure 1a shows the changes in the UV–vis spectra of the GNRs interaction with different concentrations of glucose (R = 2.4, R is the aspect ratio of GNRs). These nanorods have two ...
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Ebolavirus Proteins Suppress the Effects of Small Interfering RNA by Direct Interaction with the Mammalian RNA Interference Pathway
... the results showing efficient silencing of tran- siently expressed cDNA, transfection of siNPs and siGPs re- duced virus replication in siRNA-treated cells only modestly ...
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Understanding variation in managers' ambidexterity: Investigating direct and interaction effects of formal structural and personal coordination mechanisms
... the results on the con- trol variables indicate that demographic factors such as age, tenure in the firm, and tenure in the current function significantly relate to managers’ ...
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Penalized regression with individual deviance effects
... penalty. Results are presented in ...deviance effects emphasizes digit preference: large positive values at multiples of five flanked by negative ...
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Leverage effects on Robust Regression Estimators
... Keywords: Leverages, estimators, power of the test, coefficient of determination, root mean square error 1. Introduction The development of ordinary least squares estimator is credited to Gauss (1808) as cited by Stigler ...
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Testing for threshold effects in regression models
... threshold effects in regression models, using sup-likelihood-ratio (LR)-type ...quantile regression, and maximum rank correlation ...simulation results and also an empirical application to ...
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The effects of "phubbing" on social interaction
... Both partial η 2 values revealed small effects. Further, we used Games-Howell post hoc tests to determine where the differences lay between conditions. As predicted, participants in the no phubbing group showed ...
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The effects of "phubbing" on social interaction
... Both partial η 2 values revealed small effects. Further, we used Games-Howell post hoc tests to determine where the differences lay between conditions. As predicted, participants in the no phubbing group showed ...
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Using mixed effects logistic regression models for complex survey data on malaria rapid diagnostic test results
... Chigozie Louisa J. Ugwu *† and Temesgen T. Zewotir † Abstract Background: The effect of malaria in Nigeria is still worrisome and has remained a leading public health issue in the country. In 2016, Nigeria was the ...
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Aerosols, their Direct and Indirect Effects
... Workshop participants were asked to report their derived optical depths. However, these varied widely and were often much smaller than that derived here. Therefore, we constructed the optical depths shown in Figure 5.11 ...
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