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WebbWe validated the predictive ability of the CPR using two validation cohorts. Index tests were the BAC-HD score and a CPR developed by Shapiro et al. The outcome was … Webb28 maj 2009 · Non-random splitting (for example, by centre) may be preferable as it reduces the similarity of the two sets of patients.1 4 If the available data are limited, the … WebbModel Derivation and Validation. Patient data were split randomly into a derivation set (70% of encounters) and a validation ... and non-respiratory readmission causes. 25 Random forest was selected as the prediction model of choice for this study. Random forest machine learning models generate an ensemble of hundreds of individual … snack house cereal