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A partial F-test, testing how the coefficient of determination differs when a variable is excluded, given that the variable is not statistically significant, is the basis for excluding variables from the model.
Since the APACHE III was originally designed for use in intensive care unit (ICU) patients, the score has been modified by excluding variables that are not applicable to this study population [21], [24], [25].
We repeated the analyses excluding variables potentially on the causal pathway.
Multivariate logistic regression was also used, while excluding variables without independent effects (p ≥ 0.15) for parsimoniousness.
The same principles were used for keeping and excluding variables and handling collinearity as described above.
The final model was run after excluding variables with an association of p > 0.1.
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According to fund tracker Strategic Insight, Vanguard's 80 funds (excluding variable annuities) attracted a collective $32.3 billion, while Fidelity's 220 funds did $29.5 billion.
‡p-value for likelihood ratio χ test for excluding variable from the model.
‡p value for likelihood ratio χ test for excluding variable from model.
Excluded variables are placed outside the outer frame.
(CMC) also seems at least implicitly to exclude variables that are logically or conceptually related (point (ii) above).
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