Returns the input data in a different format. Provides the adequate dataset for implementing regression models.
A data.frame with at least 5 variables: times1 (time of the intermediate event/censoring time), delta (indicator of transition to the intermediate event), times2 (time to the final event/censoring time), time (times1 + times2) and status (censoring indicator: "dead"=1,"alive"=0). The remaining variables in the data.frame are left for the covariates.
A data.frame in a counting process format.
Luis Felipe Meira-Machado and Javier Roca-Pardinas
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