Description Usage References See Also Examples
A matrix containing the testing set for a real data example of recurrent events survival analysis. There are 488 patients in the cohort: 235 in the training set and 253 in the testing set. See the Reference below (and the References therein) for more detailed information; a brief synopsis follows.
x.test
contains both the training set and the testing set. There
are 798 unique time points so there are 235*798=187530 rows of the
training set followed by 253*798=201894 rows of the testing set. For
patient's who died prior to the end of follow-up, their external factors
are last value carried forward. Therefore, we can use x.test
to estimate the cumulative hazard for all patients for all time points.
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Sparapani R., Rein L., Tarima S., Jackson T., Meurer J. (2017) Nonparametric recurrent events analysis with BART and an application to the hospital admissions of patients with diabetes. Biostatistics manuscript submitted.
x.train
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