Sentence examples for each model was checked from inspiring English sources
Each model was checked to provide normally distributed residuals (quantile-quantile plots, not displayed).
The goodness-of-fit of each model was checked using the Hosmer & Lemeshow test (Hosmer and Lemeshow, 1989) and the final model reported fits the data adequately (P=0.666).
Quantile-quantile (Q-Q) plots for assessing normality in the residuals of each model were checked.
Residual sample cross-correlations, auto-correlations, and partial-autocorrelations for each model were checked to ensure statistical independence of error terms and validity of each model, as described by Bowerman [ 9].
The fit of each linear regression model was checked by visual inspection of the residuals.
For each step, performance of model was checked and validated against measurements using a prototype CMR with same set-up applied in simulation.
The importance of each variable for the model was checked by looking at the communalities and those variables having communalities < 0.5 were removed one by one from the model until all have ≥ 0.5.
The proportional hazards assumption in the Cox model was checked with Schoenfeld residuals for each transition.
