Exact(2)
This is fundamentally incompatible with the assumptions of CQFC and the SLH formalism because strong dispersion can violate the Markov approximation that is necessary for the validity of SLH models (assumption 2 in Section 2) [6, 70].
The models' assumption regarding the proportionality of the hazard ratio was analyzed by assessing the interaction between age and effect of treatment with a time-dependent Cox regression model.
Similar(56)
(Mr Lewis criticises Dr Shindell for his adjustments to the models' assumptions here).
Models assumptions were checked before the analyses were performed.
For both models, assumptions were fulfilled.
Models assumptions were judged as met.
Conditional Model Assumption.
Unconditional Model Assumption.
This leads us back to the faithful model assumption (§1.2.3).
One important reason for this difficulty follows from the faithful model assumption.
Models were checked for model assumption and fitness.
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