mixed model

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mixed model

[′mikst ‚mäd·əl]
(statistics)
A model having both determinate and stochastic elements in its equations.
A model having both difference and differential equations.
A model containing both endogenous and exogenous elements.
In analysis of variance for a two-way layout, the combined rows and columns.
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In the third analysis of interest, in order to better understand provider-level variance, we tested the significance of observed provider-level covariates, estimating a new multilevel model (equations 2a-i).
Differences in surfactant use according to each unit were measured by the residuals of an intercept only multilevel model. In this model the value of the intercept [beta]0 represents the effect of an "average" unit on the probability of surfactant use, while the residuals represent deviations of each unit in relation to this overall average.
Discussion about model comparison of multilevel model by using classical and Bayesian approaches is rare in literature.
The estimates of the multilevel model with pain intensity (numeric rating scale) as outcome are presented in Table 2.
Table 2 Multilevel model to predict alcohol-related problems among college students.
However, in order to draw statistical inferences about the effect of Project K on self-efficacy, a multilevel model was utilised.
Dispositional and Environmental Predictors of the Development of Internalizing Problems in Childhood: Testing a Multilevel Model. Journal of Abnormal Child Psychology, 43(5), 831-845.
Table 2 summarizes the results from the multilevel model analyses for the development of AbV[O.sub.2], Sum6SF, TrunkSF, and BMI between low and high CMR categorized individuals.
The multilevel model uses a Rasch conversion that extends the lower bounds of the general education test (reflecting Grade 3 achievement centered on 200).
The multilevel model indicated that the relationship between gross-V[O.sub.2] and walking speed varied significantly in intercepts and slopes across participants (p < 0.01).
The results reported in the text focus on the multilevel model with individual random effects, as results from the censored tobit regression were provided as a type of sensitivity analysis.

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