Exact(1)
Various complex phenomena, including mass transfer between phases, phase slip, friction pressure drop, variable geometry, compression, heat transfer and other thermodynamic effects make the flow modeling quite complex.
Similar(59)
Each dropped variable was added to the model separately to determine if it improved the fit.
The BRT models were simplified by dropping variables that did not increase model performance.
The predictive signs are basically confirmed at high significance levels and the Adjusted-R2 and Bayesian criteria keep consistent, notwithstanding the dropped variables.
We tested the fit of the final multivariate model by reintroducing the dropped variables individually and evaluating their contribution to model fit with a likelihood ratio test; none of the dropped variables were retained.
Since these dropped variables did not alter the interpretation of the results, it would seem that both strategies for model building are equally effective.
Note that the dataset is not saved in any of these processes and, therefore, there is no risk of permanently loosing information by dropping variables.
Initially, the redundancy was further reduced by dropping variables with a correlation coefficient greater than 0.85, further trimming the set to 283 amino acid indices.
All dropped variables were then put back into the minimal model 1 at a time to determine their level of nonsignificance.
Factor analysis involves some subjective decision-making, particularly when selecting the number of factors to retain and dropping variables that do not load well.
We dropped variables if they were significant during the stepwise selection but not significant once the repeated-measures analysis accounted for autocorrelation in the data.
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